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Finding the Fourth Proportional to 375,131.06, 562,695.74 and 289,865.91

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Solution

The fourth proportional to 375,131.06, 562,695.74 and 289,865.91 is: 434,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,131.06 : 562,695.74 = 289,865.91 : x
  2. Step 2: Convert to fraction form
    375,131.06/562,695.74 = 289,865.91/x
  3. Step 3: Cross multiply
    375,131.06x = 562,695.74 × 289,865.91
  4. Step 4: Simplify right side
    375,131.06x = 163,106,311,278.89
  5. Step 5: Solve for x
    x = 163,106,311,278.89/375,131.06
  6. Step 6: Final answer
    x = 434,798.21

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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.