Home / 316,837.32-437,218.77-180,865.86

Finding the Fourth Proportional to 316,837.32, 437,218.77 and 180,865.86

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Solution

The fourth proportional to 316,837.32, 437,218.77 and 180,865.86 is: 249,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,837.32 : 437,218.77 = 180,865.86 : x
  2. Step 2: Convert to fraction form
    316,837.32/437,218.77 = 180,865.86/x
  3. Step 3: Cross multiply
    316,837.32x = 437,218.77 × 180,865.86
  4. Step 4: Simplify right side
    316,837.32x = 79,077,948,844.19
  5. Step 5: Solve for x
    x = 79,077,948,844.19/316,837.32
  6. Step 6: Final answer
    x = 249,585.34

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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.