Home / 320,862.34-442,814.61-183,044.30

Finding the Fourth Proportional to 320,862.34, 442,814.61 and 183,044.30

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Solution

The fourth proportional to 320,862.34, 442,814.61 and 183,044.30 is: 252,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,862.34 : 442,814.61 = 183,044.30 : x
  2. Step 2: Convert to fraction form
    320,862.34/442,814.61 = 183,044.30/x
  3. Step 3: Cross multiply
    320,862.34x = 442,814.61 × 183,044.30
  4. Step 4: Simplify right side
    320,862.34x = 81,054,688,103.15
  5. Step 5: Solve for x
    x = 81,054,688,103.15/320,862.34
  6. Step 6: Final answer
    x = 252,615.15

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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.