Home / 316,152.04-436,284.30-172,908.94

Finding the Fourth Proportional to 316,152.04, 436,284.30 and 172,908.94

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Solution

The fourth proportional to 316,152.04, 436,284.30 and 172,908.94 is: 238,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,152.04 : 436,284.30 = 172,908.94 : x
  2. Step 2: Convert to fraction form
    316,152.04/436,284.30 = 172,908.94/x
  3. Step 3: Cross multiply
    316,152.04x = 436,284.30 × 172,908.94
  4. Step 4: Simplify right side
    316,152.04x = 75,437,455,851.64
  5. Step 5: Solve for x
    x = 75,437,455,851.64/316,152.04
  6. Step 6: Final answer
    x = 238,611.32

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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.