Home / 460,852.02-691,278-145,340.82

Finding the Fourth Proportional to 460,852.02, 691,278 and 145,340.82

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Solution

The fourth proportional to 460,852.02, 691,278 and 145,340.82 is: 218,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,852.02 : 691,278 = 145,340.82 : x
  2. Step 2: Convert to fraction form
    460,852.02/691,278 = 145,340.82/x
  3. Step 3: Cross multiply
    460,852.02x = 691,278 × 145,340.82
  4. Step 4: Simplify right side
    460,852.02x = 100,470,911,367.96
  5. Step 5: Solve for x
    x = 100,470,911,367.96/460,852.02
  6. Step 6: Final answer
    x = 218,011.22

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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.