Home / 316,172.19-436,328.02-172,932.23

Finding the Fourth Proportional to 316,172.19, 436,328.02 and 172,932.23

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Solution

The fourth proportional to 316,172.19, 436,328.02 and 172,932.23 is: 238,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,172.19 : 436,328.02 = 172,932.23 : x
  2. Step 2: Convert to fraction form
    316,172.19/436,328.02 = 172,932.23/x
  3. Step 3: Cross multiply
    316,172.19x = 436,328.02 × 172,932.23
  4. Step 4: Simplify right side
    316,172.19x = 75,455,177,844.33
  5. Step 5: Solve for x
    x = 75,455,177,844.33/316,172.19
  6. Step 6: Final answer
    x = 238,652.16

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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.