Home / 242,437.32-363,558.76-142,623.72

Finding the Fourth Proportional to 242,437.32, 363,558.76 and 142,623.72

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Solution

The fourth proportional to 242,437.32, 363,558.76 and 142,623.72 is: 213,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,437.32 : 363,558.76 = 142,623.72 : x
  2. Step 2: Convert to fraction form
    242,437.32/363,558.76 = 142,623.72/x
  3. Step 3: Cross multiply
    242,437.32x = 363,558.76 × 142,623.72
  4. Step 4: Simplify right side
    242,437.32x = 51,852,102,789.79
  5. Step 5: Solve for x
    x = 51,852,102,789.79/242,437.32
  6. Step 6: Final answer
    x = 213,878.39

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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.