Home / 319,130.28-440,402.46-175,890.69

Finding the Fourth Proportional to 319,130.28, 440,402.46 and 175,890.69

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Solution

The fourth proportional to 319,130.28, 440,402.46 and 175,890.69 is: 242,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,130.28 : 440,402.46 = 175,890.69 : x
  2. Step 2: Convert to fraction form
    319,130.28/440,402.46 = 175,890.69/x
  3. Step 3: Cross multiply
    319,130.28x = 440,402.46 × 175,890.69
  4. Step 4: Simplify right side
    319,130.28x = 77,462,692,567.10
  5. Step 5: Solve for x
    x = 77,462,692,567.10/319,130.28
  6. Step 6: Final answer
    x = 242,730.63

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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.