Home / 434,035.60-651,472.72-209,553.71

Finding the Fourth Proportional to 434,035.60, 651,472.72 and 209,553.71

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Solution

The fourth proportional to 434,035.60, 651,472.72 and 209,553.71 is: 314,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,035.60 : 651,472.72 = 209,553.71 : x
  2. Step 2: Convert to fraction form
    434,035.60/651,472.72 = 209,553.71/x
  3. Step 3: Cross multiply
    434,035.60x = 651,472.72 × 209,553.71
  4. Step 4: Simplify right side
    434,035.60x = 136,518,521,658.54
  5. Step 5: Solve for x
    x = 136,518,521,658.54/434,035.60
  6. Step 6: Final answer
    x = 314,533.01

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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.