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Finding the Fourth Proportional to 375,365.82, 562,950.30 and 138,776.16

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Solution

The fourth proportional to 375,365.82, 562,950.30 and 138,776.16 is: 208,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,365.82 : 562,950.30 = 138,776.16 : x
  2. Step 2: Convert to fraction form
    375,365.82/562,950.30 = 138,776.16/x
  3. Step 3: Cross multiply
    375,365.82x = 562,950.30 × 138,776.16
  4. Step 4: Simplify right side
    375,365.82x = 78,124,080,904.85
  5. Step 5: Solve for x
    x = 78,124,080,904.85/375,365.82
  6. Step 6: Final answer
    x = 208,127.85

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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.