Home / 316,052.40-436,192.44-180,135.20

Finding the Fourth Proportional to 316,052.40, 436,192.44 and 180,135.20

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Solution

The fourth proportional to 316,052.40, 436,192.44 and 180,135.20 is: 248,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,052.40 : 436,192.44 = 180,135.20 : x
  2. Step 2: Convert to fraction form
    316,052.40/436,192.44 = 180,135.20/x
  3. Step 3: Cross multiply
    316,052.40x = 436,192.44 × 180,135.20
  4. Step 4: Simplify right side
    316,052.40x = 78,573,612,417.89
  5. Step 5: Solve for x
    x = 78,573,612,417.89/316,052.40
  6. Step 6: Final answer
    x = 248,609.45

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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.