Home / 321,262.10-481,547.55-121,505.30

Finding the Fourth Proportional to 321,262.10, 481,547.55 and 121,505.30

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Solution

The fourth proportional to 321,262.10, 481,547.55 and 121,505.30 is: 182,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,262.10 : 481,547.55 = 121,505.30 : x
  2. Step 2: Convert to fraction form
    321,262.10/481,547.55 = 121,505.30/x
  3. Step 3: Cross multiply
    321,262.10x = 481,547.55 × 121,505.30
  4. Step 4: Simplify right side
    321,262.10x = 58,510,579,527.02
  5. Step 5: Solve for x
    x = 58,510,579,527.02/321,262.10
  6. Step 6: Final answer
    x = 182,127.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.