Home / 215,490.49-323,235.53-57,714.64

Finding the Fourth Proportional to 215,490.49, 323,235.53 and 57,714.64

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Solution

The fourth proportional to 215,490.49, 323,235.53 and 57,714.64 is: 86,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,490.49 : 323,235.53 = 57,714.64 : x
  2. Step 2: Convert to fraction form
    215,490.49/323,235.53 = 57,714.64/x
  3. Step 3: Cross multiply
    215,490.49x = 323,235.53 × 57,714.64
  4. Step 4: Simplify right side
    215,490.49x = 18,655,421,152.50
  5. Step 5: Solve for x
    x = 18,655,421,152.50/215,490.49
  6. Step 6: Final answer
    x = 86,571.90

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1.5x scale

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.