Home / 378,071.02-566,172.80-281,777.36

Finding the Fourth Proportional to 378,071.02, 566,172.80 and 281,777.36

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Solution

The fourth proportional to 378,071.02, 566,172.80 and 281,777.36 is: 421,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,071.02 : 566,172.80 = 281,777.36 : x
  2. Step 2: Convert to fraction form
    378,071.02/566,172.80 = 281,777.36/x
  3. Step 3: Cross multiply
    378,071.02x = 566,172.80 × 281,777.36
  4. Step 4: Simplify right side
    378,071.02x = 159,534,676,887.81
  5. Step 5: Solve for x
    x = 159,534,676,887.81/378,071.02
  6. Step 6: Final answer
    x = 421,970.13

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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.