Home / 292,417.72-438,538.28-152,099.80

Finding the Fourth Proportional to 292,417.72, 438,538.28 and 152,099.80

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Solution

The fourth proportional to 292,417.72, 438,538.28 and 152,099.80 is: 228,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,417.72 : 438,538.28 = 152,099.80 : x
  2. Step 2: Convert to fraction form
    292,417.72/438,538.28 = 152,099.80/x
  3. Step 3: Cross multiply
    292,417.72x = 438,538.28 × 152,099.80
  4. Step 4: Simplify right side
    292,417.72x = 66,701,584,680.34
  5. Step 5: Solve for x
    x = 66,701,584,680.34/292,417.72
  6. Step 6: Final answer
    x = 228,103.77

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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.