Home / 350,812.08-526,210.78-140,393.52

Finding the Fourth Proportional to 350,812.08, 526,210.78 and 140,393.52

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Solution

The fourth proportional to 350,812.08, 526,210.78 and 140,393.52 is: 210,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,812.08 : 526,210.78 = 140,393.52 : x
  2. Step 2: Convert to fraction form
    350,812.08/526,210.78 = 140,393.52/x
  3. Step 3: Cross multiply
    350,812.08x = 526,210.78 × 140,393.52
  4. Step 4: Simplify right side
    350,812.08x = 73,876,583,666.15
  5. Step 5: Solve for x
    x = 73,876,583,666.15/350,812.08
  6. Step 6: Final answer
    x = 210,587.34

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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.