Home / 316,310.09-436,507.65-173,070.72

Finding the Fourth Proportional to 316,310.09, 436,507.65 and 173,070.72

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Solution

The fourth proportional to 316,310.09, 436,507.65 and 173,070.72 is: 238,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,310.09 : 436,507.65 = 173,070.72 : x
  2. Step 2: Convert to fraction form
    316,310.09/436,507.65 = 173,070.72/x
  3. Step 3: Cross multiply
    316,310.09x = 436,507.65 × 173,070.72
  4. Step 4: Simplify right side
    316,310.09x = 75,546,693,271.01
  5. Step 5: Solve for x
    x = 75,546,693,271.01/316,310.09
  6. Step 6: Final answer
    x = 238,837.45

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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.