Home / 292,941.90-439,412.85-105,909.66

Finding the Fourth Proportional to 292,941.90, 439,412.85 and 105,909.66

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Solution

The fourth proportional to 292,941.90, 439,412.85 and 105,909.66 is: 158,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,941.90 : 439,412.85 = 105,909.66 : x
  2. Step 2: Convert to fraction form
    292,941.90/439,412.85 = 105,909.66/x
  3. Step 3: Cross multiply
    292,941.90x = 439,412.85 × 105,909.66
  4. Step 4: Simplify right side
    292,941.90x = 46,538,065,543.13
  5. Step 5: Solve for x
    x = 46,538,065,543.13/292,941.90
  6. Step 6: Final answer
    x = 158,864.49

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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.