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Finding the Fourth Proportional to 506,018.96, 759,152.91 and 356,551.18

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Solution

The fourth proportional to 506,018.96, 759,152.91 and 356,551.18 is: 534,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,018.96 : 759,152.91 = 356,551.18 : x
  2. Step 2: Convert to fraction form
    506,018.96/759,152.91 = 356,551.18/x
  3. Step 3: Cross multiply
    506,018.96x = 759,152.91 × 356,551.18
  4. Step 4: Simplify right side
    506,018.96x = 270,676,867,564.75
  5. Step 5: Solve for x
    x = 270,676,867,564.75/506,018.96
  6. Step 6: Final answer
    x = 534,914.47

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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.