Home / 316,719.90-437,073.54-173,485.08

Finding the Fourth Proportional to 316,719.90, 437,073.54 and 173,485.08

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Solution

The fourth proportional to 316,719.90, 437,073.54 and 173,485.08 is: 239,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,719.90 : 437,073.54 = 173,485.08 : x
  2. Step 2: Convert to fraction form
    316,719.90/437,073.54 = 173,485.08/x
  3. Step 3: Cross multiply
    316,719.90x = 437,073.54 × 173,485.08
  4. Step 4: Simplify right side
    316,719.90x = 75,825,738,052.78
  5. Step 5: Solve for x
    x = 75,825,738,052.78/316,719.90
  6. Step 6: Final answer
    x = 239,409.45

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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.