Home / 316,632.20-436,937.36-173,393.01

Finding the Fourth Proportional to 316,632.20, 436,937.36 and 173,393.01

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Solution

The fourth proportional to 316,632.20, 436,937.36 and 173,393.01 is: 239,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,632.20 : 436,937.36 = 173,393.01 : x
  2. Step 2: Convert to fraction form
    316,632.20/436,937.36 = 173,393.01/x
  3. Step 3: Cross multiply
    316,632.20x = 436,937.36 × 173,393.01
  4. Step 4: Simplify right side
    316,632.20x = 75,761,883,164.89
  5. Step 5: Solve for x
    x = 75,761,883,164.89/316,632.20
  6. Step 6: Final answer
    x = 239,274.10

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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.