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Finding the Fourth Proportional to 390,954.48, 586,606.68 and 224,742.48

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Solution

The fourth proportional to 390,954.48, 586,606.68 and 224,742.48 is: 337,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,954.48 : 586,606.68 = 224,742.48 : x
  2. Step 2: Convert to fraction form
    390,954.48/586,606.68 = 224,742.48/x
  3. Step 3: Cross multiply
    390,954.48x = 586,606.68 × 224,742.48
  4. Step 4: Simplify right side
    390,954.48x = 131,835,440,047.77
  5. Step 5: Solve for x
    x = 131,835,440,047.77/390,954.48
  6. Step 6: Final answer
    x = 337,214.30

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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.