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Finding the Fourth Proportional to 311,249.81, 429,547.65 and 175,298.60

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Solution

The fourth proportional to 311,249.81, 429,547.65 and 175,298.60 is: 241,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,249.81 : 429,547.65 = 175,298.60 : x
  2. Step 2: Convert to fraction form
    311,249.81/429,547.65 = 175,298.60/x
  3. Step 3: Cross multiply
    311,249.81x = 429,547.65 × 175,298.60
  4. Step 4: Simplify right side
    311,249.81x = 75,299,101,678.29
  5. Step 5: Solve for x
    x = 75,299,101,678.29/311,249.81
  6. Step 6: Final answer
    x = 241,924.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.