Home / 292,384.41-438,688.79-102,864.45

Finding the Fourth Proportional to 292,384.41, 438,688.79 and 102,864.45

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Solution

The fourth proportional to 292,384.41, 438,688.79 and 102,864.45 is: 154,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,384.41 : 438,688.79 = 102,864.45 : x
  2. Step 2: Convert to fraction form
    292,384.41/438,688.79 = 102,864.45/x
  3. Step 3: Cross multiply
    292,384.41x = 438,688.79 × 102,864.45
  4. Step 4: Simplify right side
    292,384.41x = 45,125,481,104.52
  5. Step 5: Solve for x
    x = 45,125,481,104.52/292,384.41
  6. Step 6: Final answer
    x = 154,336.14

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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.