Home / 319,130.55-440,402.24-175,890.59

Finding the Fourth Proportional to 319,130.55, 440,402.24 and 175,890.59

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Solution

The fourth proportional to 319,130.55, 440,402.24 and 175,890.59 is: 242,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,130.55 : 440,402.24 = 175,890.59 : x
  2. Step 2: Convert to fraction form
    319,130.55/440,402.24 = 175,890.59/x
  3. Step 3: Cross multiply
    319,130.55x = 440,402.24 × 175,890.59
  4. Step 4: Simplify right side
    319,130.55x = 77,462,609,830.92
  5. Step 5: Solve for x
    x = 77,462,609,830.92/319,130.55
  6. Step 6: Final answer
    x = 242,730.16

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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.