Home / 268,319.98-370,290.45-147,465.55

Finding the Fourth Proportional to 268,319.98, 370,290.45 and 147,465.55

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Solution

The fourth proportional to 268,319.98, 370,290.45 and 147,465.55 is: 203,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,319.98 : 370,290.45 = 147,465.55 : x
  2. Step 2: Convert to fraction form
    268,319.98/370,290.45 = 147,465.55/x
  3. Step 3: Cross multiply
    268,319.98x = 370,290.45 × 147,465.55
  4. Step 4: Simplify right side
    268,319.98x = 54,605,084,869.00
  5. Step 5: Solve for x
    x = 54,605,084,869.00/268,319.98
  6. Step 6: Final answer
    x = 203,507.34

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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.