Home / 292,118.31-438,172.91-149,881.50

Finding the Fourth Proportional to 292,118.31, 438,172.91 and 149,881.50

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Solution

The fourth proportional to 292,118.31, 438,172.91 and 149,881.50 is: 224,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,118.31 : 438,172.91 = 149,881.50 : x
  2. Step 2: Convert to fraction form
    292,118.31/438,172.91 = 149,881.50/x
  3. Step 3: Cross multiply
    292,118.31x = 438,172.91 × 149,881.50
  4. Step 4: Simplify right side
    292,118.31x = 65,674,012,822.81
  5. Step 5: Solve for x
    x = 65,674,012,822.81/292,118.31
  6. Step 6: Final answer
    x = 224,819.91

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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.