Home / 319,950.45-480,013.17-140,003.16

Finding the Fourth Proportional to 319,950.45, 480,013.17 and 140,003.16

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Solution

The fourth proportional to 319,950.45, 480,013.17 and 140,003.16 is: 210,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,950.45 : 480,013.17 = 140,003.16 : x
  2. Step 2: Convert to fraction form
    319,950.45/480,013.17 = 140,003.16/x
  3. Step 3: Cross multiply
    319,950.45x = 480,013.17 × 140,003.16
  4. Step 4: Simplify right side
    319,950.45x = 67,203,360,641.62
  5. Step 5: Solve for x
    x = 67,203,360,641.62/319,950.45
  6. Step 6: Final answer
    x = 210,043.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.