Home / 360,955.04-498,129.75-207,981.41

Finding the Fourth Proportional to 360,955.04, 498,129.75 and 207,981.41

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Solution

The fourth proportional to 360,955.04, 498,129.75 and 207,981.41 is: 287,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,955.04 : 498,129.75 = 207,981.41 : x
  2. Step 2: Convert to fraction form
    360,955.04/498,129.75 = 207,981.41/x
  3. Step 3: Cross multiply
    360,955.04x = 498,129.75 × 207,981.41
  4. Step 4: Simplify right side
    360,955.04x = 103,601,725,277.30
  5. Step 5: Solve for x
    x = 103,601,725,277.30/360,955.04
  6. Step 6: Final answer
    x = 287,021.14

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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.