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Finding the Fourth Proportional to 369,053.64, 553,752.72 and 144,355.86

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Solution

The fourth proportional to 369,053.64, 553,752.72 and 144,355.86 is: 216,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,053.64 : 553,752.72 = 144,355.86 : x
  2. Step 2: Convert to fraction form
    369,053.64/553,752.72 = 144,355.86/x
  3. Step 3: Cross multiply
    369,053.64x = 553,752.72 × 144,355.86
  4. Step 4: Simplify right side
    369,053.64x = 79,937,450,122.94
  5. Step 5: Solve for x
    x = 79,937,450,122.94/369,053.64
  6. Step 6: Final answer
    x = 216,601.17

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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.