Home / 370,062.03-510,719.28-208,956.69

Finding the Fourth Proportional to 370,062.03, 510,719.28 and 208,956.69

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Solution

The fourth proportional to 370,062.03, 510,719.28 and 208,956.69 is: 288,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,062.03 : 510,719.28 = 208,956.69 : x
  2. Step 2: Convert to fraction form
    370,062.03/510,719.28 = 208,956.69/x
  3. Step 3: Cross multiply
    370,062.03x = 510,719.28 × 208,956.69
  4. Step 4: Simplify right side
    370,062.03x = 106,718,210,267.98
  5. Step 5: Solve for x
    x = 106,718,210,267.98/370,062.03
  6. Step 6: Final answer
    x = 288,379.25

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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.