Home / 468,037.85-645,890.96-253,180.89

Finding the Fourth Proportional to 468,037.85, 645,890.96 and 253,180.89

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Solution

The fourth proportional to 468,037.85, 645,890.96 and 253,180.89 is: 349,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,037.85 : 645,890.96 = 253,180.89 : x
  2. Step 2: Convert to fraction form
    468,037.85/645,890.96 = 253,180.89/x
  3. Step 3: Cross multiply
    468,037.85x = 645,890.96 × 253,180.89
  4. Step 4: Simplify right side
    468,037.85x = 163,527,248,728.71
  5. Step 5: Solve for x
    x = 163,527,248,728.71/468,037.85
  6. Step 6: Final answer
    x = 349,388.94

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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.