Home / 292,200.40-437,985.78-142,541.56

Finding the Fourth Proportional to 292,200.40, 437,985.78 and 142,541.56

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Solution

The fourth proportional to 292,200.40, 437,985.78 and 142,541.56 is: 213,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,200.40 : 437,985.78 = 142,541.56 : x
  2. Step 2: Convert to fraction form
    292,200.40/437,985.78 = 142,541.56/x
  3. Step 3: Cross multiply
    292,200.40x = 437,985.78 × 142,541.56
  4. Step 4: Simplify right side
    292,200.40x = 62,431,176,339.02
  5. Step 5: Solve for x
    x = 62,431,176,339.02/292,200.40
  6. Step 6: Final answer
    x = 213,658.76

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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.