Home / 309,657.04-427,341.90-182,373.64

Finding the Fourth Proportional to 309,657.04, 427,341.90 and 182,373.64

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Solution

The fourth proportional to 309,657.04, 427,341.90 and 182,373.64 is: 251,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,657.04 : 427,341.90 = 182,373.64 : x
  2. Step 2: Convert to fraction form
    309,657.04/427,341.90 = 182,373.64/x
  3. Step 3: Cross multiply
    309,657.04x = 427,341.90 × 182,373.64
  4. Step 4: Simplify right side
    309,657.04x = 77,935,897,827.52
  5. Step 5: Solve for x
    x = 77,935,897,827.52/309,657.04
  6. Step 6: Final answer
    x = 251,684.57

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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.