Home / 320,360.34-442,075.59-177,101.04

Finding the Fourth Proportional to 320,360.34, 442,075.59 and 177,101.04

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Solution

The fourth proportional to 320,360.34, 442,075.59 and 177,101.04 is: 244,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,360.34 : 442,075.59 = 177,101.04 : x
  2. Step 2: Convert to fraction form
    320,360.34/442,075.59 = 177,101.04/x
  3. Step 3: Cross multiply
    320,360.34x = 442,075.59 × 177,101.04
  4. Step 4: Simplify right side
    320,360.34x = 78,292,046,747.61
  5. Step 5: Solve for x
    x = 78,292,046,747.61/320,360.34
  6. Step 6: Final answer
    x = 244,387.45

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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.