Home / 379,508.29-569,262.51-154,974.47

Finding the Fourth Proportional to 379,508.29, 569,262.51 and 154,974.47

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Solution

The fourth proportional to 379,508.29, 569,262.51 and 154,974.47 is: 232,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,508.29 : 569,262.51 = 154,974.47 : x
  2. Step 2: Convert to fraction form
    379,508.29/569,262.51 = 154,974.47/x
  3. Step 3: Cross multiply
    379,508.29x = 569,262.51 × 154,974.47
  4. Step 4: Simplify right side
    379,508.29x = 88,221,152,931.81
  5. Step 5: Solve for x
    x = 88,221,152,931.81/379,508.29
  6. Step 6: Final answer
    x = 232,461.73

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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.