Home / 286,070.24-428,842.06-98,950.52

Finding the Fourth Proportional to 286,070.24, 428,842.06 and 98,950.52

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Solution

The fourth proportional to 286,070.24, 428,842.06 and 98,950.52 is: 148,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,070.24 : 428,842.06 = 98,950.52 : x
  2. Step 2: Convert to fraction form
    286,070.24/428,842.06 = 98,950.52/x
  3. Step 3: Cross multiply
    286,070.24x = 428,842.06 × 98,950.52
  4. Step 4: Simplify right side
    286,070.24x = 42,434,144,834.87
  5. Step 5: Solve for x
    x = 42,434,144,834.87/286,070.24
  6. Step 6: Final answer
    x = 148,334.71

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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.