Home / 316,725.08-437,065.02-173,485.76

Finding the Fourth Proportional to 316,725.08, 437,065.02 and 173,485.76

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Solution

The fourth proportional to 316,725.08, 437,065.02 and 173,485.76 is: 239,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,725.08 : 437,065.02 = 173,485.76 : x
  2. Step 2: Convert to fraction form
    316,725.08/437,065.02 = 173,485.76/x
  3. Step 3: Cross multiply
    316,725.08x = 437,065.02 × 173,485.76
  4. Step 4: Simplify right side
    316,725.08x = 75,824,557,164.12
  5. Step 5: Solve for x
    x = 75,824,557,164.12/316,725.08
  6. Step 6: Final answer
    x = 239,401.81

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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.