Home / 329,835.40-494,753.10-223,547.20

Finding the Fourth Proportional to 329,835.40, 494,753.10 and 223,547.20

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Solution

The fourth proportional to 329,835.40, 494,753.10 and 223,547.20 is: 335,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,835.40 : 494,753.10 = 223,547.20 : x
  2. Step 2: Convert to fraction form
    329,835.40/494,753.10 = 223,547.20/x
  3. Step 3: Cross multiply
    329,835.40x = 494,753.10 × 223,547.20
  4. Step 4: Simplify right side
    329,835.40x = 110,600,670,196.32
  5. Step 5: Solve for x
    x = 110,600,670,196.32/329,835.40
  6. Step 6: Final answer
    x = 335,320.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.