Home / 316,095.50-436,215.24-172,852.47

Finding the Fourth Proportional to 316,095.50, 436,215.24 and 172,852.47

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Solution

The fourth proportional to 316,095.50, 436,215.24 and 172,852.47 is: 238,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,095.50 : 436,215.24 = 172,852.47 : x
  2. Step 2: Convert to fraction form
    316,095.50/436,215.24 = 172,852.47/x
  3. Step 3: Cross multiply
    316,095.50x = 436,215.24 × 172,852.47
  4. Step 4: Simplify right side
    316,095.50x = 75,400,881,685.64
  5. Step 5: Solve for x
    x = 75,400,881,685.64/316,095.50
  6. Step 6: Final answer
    x = 238,538.30

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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.