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Finding the Fourth Proportional to 452,298.16, 678,525.48 and 152,780.92

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Solution

The fourth proportional to 452,298.16, 678,525.48 and 152,780.92 is: 229,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,298.16 : 678,525.48 = 152,780.92 : x
  2. Step 2: Convert to fraction form
    452,298.16/678,525.48 = 152,780.92/x
  3. Step 3: Cross multiply
    452,298.16x = 678,525.48 × 152,780.92
  4. Step 4: Simplify right side
    452,298.16x = 103,665,747,077.84
  5. Step 5: Solve for x
    x = 103,665,747,077.84/452,298.16
  6. Step 6: Final answer
    x = 229,197.81

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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.