Home / 370,066.06-510,724.80-208,960.66

Finding the Fourth Proportional to 370,066.06, 510,724.80 and 208,960.66

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Solution

The fourth proportional to 370,066.06, 510,724.80 and 208,960.66 is: 288,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,066.06 : 510,724.80 = 208,960.66 : x
  2. Step 2: Convert to fraction form
    370,066.06/510,724.80 = 208,960.66/x
  3. Step 3: Cross multiply
    370,066.06x = 510,724.80 × 208,960.66
  4. Step 4: Simplify right side
    370,066.06x = 106,721,391,286.37
  5. Step 5: Solve for x
    x = 106,721,391,286.37/370,066.06
  6. Step 6: Final answer
    x = 288,384.70

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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.