Home / 318,814.02-439,966.26-175,574.64

Finding the Fourth Proportional to 318,814.02, 439,966.26 and 175,574.64

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Solution

The fourth proportional to 318,814.02, 439,966.26 and 175,574.64 is: 242,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,814.02 : 439,966.26 = 175,574.64 : x
  2. Step 2: Convert to fraction form
    318,814.02/439,966.26 = 175,574.64/x
  3. Step 3: Cross multiply
    318,814.02x = 439,966.26 × 175,574.64
  4. Step 4: Simplify right side
    318,814.02x = 77,246,917,711.65
  5. Step 5: Solve for x
    x = 77,246,917,711.65/318,814.02
  6. Step 6: Final answer
    x = 242,294.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.