Home / 318,973.95-440,167.77-175,731.12

Finding the Fourth Proportional to 318,973.95, 440,167.77 and 175,731.12

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Solution

The fourth proportional to 318,973.95, 440,167.77 and 175,731.12 is: 242,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,973.95 : 440,167.77 = 175,731.12 : x
  2. Step 2: Convert to fraction form
    318,973.95/440,167.77 = 175,731.12/x
  3. Step 3: Cross multiply
    318,973.95x = 440,167.77 × 175,731.12
  4. Step 4: Simplify right side
    318,973.95x = 77,351,175,210.00
  5. Step 5: Solve for x
    x = 77,351,175,210.00/318,973.95
  6. Step 6: Final answer
    x = 242,499.98

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1.5x scale

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.