Home / 207,271.20-310,906.80-144,285.60

Finding the Fourth Proportional to 207,271.20, 310,906.80 and 144,285.60

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Solution

The fourth proportional to 207,271.20, 310,906.80 and 144,285.60 is: 216,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,271.20 : 310,906.80 = 144,285.60 : x
  2. Step 2: Convert to fraction form
    207,271.20/310,906.80 = 144,285.60/x
  3. Step 3: Cross multiply
    207,271.20x = 310,906.80 × 144,285.60
  4. Step 4: Simplify right side
    207,271.20x = 44,859,374,182.08
  5. Step 5: Solve for x
    x = 44,859,374,182.08/207,271.20
  6. Step 6: Final answer
    x = 216,428.40

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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.