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Finding the Fourth Proportional to 350,701.86, 526,009.05 and 140,341.62

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Solution

The fourth proportional to 350,701.86, 526,009.05 and 140,341.62 is: 210,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,701.86 : 526,009.05 = 140,341.62 : x
  2. Step 2: Convert to fraction form
    350,701.86/526,009.05 = 140,341.62/x
  3. Step 3: Cross multiply
    350,701.86x = 526,009.05 × 140,341.62
  4. Step 4: Simplify right side
    350,701.86x = 73,820,962,211.66
  5. Step 5: Solve for x
    x = 73,820,962,211.66/350,701.86
  6. Step 6: Final answer
    x = 210,494.93

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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.