Home / 318,666.12-439,775.10-175,424.64

Finding the Fourth Proportional to 318,666.12, 439,775.10 and 175,424.64

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Solution

The fourth proportional to 318,666.12, 439,775.10 and 175,424.64 is: 242,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,666.12 : 439,775.10 = 175,424.64 : x
  2. Step 2: Convert to fraction form
    318,666.12/439,775.10 = 175,424.64/x
  3. Step 3: Cross multiply
    318,666.12x = 439,775.10 × 175,424.64
  4. Step 4: Simplify right side
    318,666.12x = 77,147,388,598.46
  5. Step 5: Solve for x
    x = 77,147,388,598.46/318,666.12
  6. Step 6: Final answer
    x = 242,094.73

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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.