Home / 238,321.04-328,887.14-130,895.60

Finding the Fourth Proportional to 238,321.04, 328,887.14 and 130,895.60

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Solution

The fourth proportional to 238,321.04, 328,887.14 and 130,895.60 is: 180,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,321.04 : 328,887.14 = 130,895.60 : x
  2. Step 2: Convert to fraction form
    238,321.04/328,887.14 = 130,895.60/x
  3. Step 3: Cross multiply
    238,321.04x = 328,887.14 × 130,895.60
  4. Step 4: Simplify right side
    238,321.04x = 43,049,877,223.67
  5. Step 5: Solve for x
    x = 43,049,877,223.67/238,321.04
  6. Step 6: Final answer
    x = 180,638.18

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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.