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Finding the Fourth Proportional to 333,581.65, 459,885.08 and 211,013.05

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Solution

The fourth proportional to 333,581.65, 459,885.08 and 211,013.05 is: 290,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,581.65 : 459,885.08 = 211,013.05 : x
  2. Step 2: Convert to fraction form
    333,581.65/459,885.08 = 211,013.05/x
  3. Step 3: Cross multiply
    333,581.65x = 459,885.08 × 211,013.05
  4. Step 4: Simplify right side
    333,581.65x = 97,041,752,325.23
  5. Step 5: Solve for x
    x = 97,041,752,325.23/333,581.65
  6. Step 6: Final answer
    x = 290,908.54

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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.