Home / 385,010.16-577,544.40-104,549.28

Finding the Fourth Proportional to 385,010.16, 577,544.40 and 104,549.28

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Solution

The fourth proportional to 385,010.16, 577,544.40 and 104,549.28 is: 156,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,010.16 : 577,544.40 = 104,549.28 : x
  2. Step 2: Convert to fraction form
    385,010.16/577,544.40 = 104,549.28/x
  3. Step 3: Cross multiply
    385,010.16x = 577,544.40 × 104,549.28
  4. Step 4: Simplify right side
    385,010.16x = 60,381,851,188.03
  5. Step 5: Solve for x
    x = 60,381,851,188.03/385,010.16
  6. Step 6: Final answer
    x = 156,831.84

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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.