Home / 242,428.02-334,549.73-134,999.30

Finding the Fourth Proportional to 242,428.02, 334,549.73 and 134,999.30

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Solution

The fourth proportional to 242,428.02, 334,549.73 and 134,999.30 is: 186,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,428.02 : 334,549.73 = 134,999.30 : x
  2. Step 2: Convert to fraction form
    242,428.02/334,549.73 = 134,999.30/x
  3. Step 3: Cross multiply
    242,428.02x = 334,549.73 × 134,999.30
  4. Step 4: Simplify right side
    242,428.02x = 45,163,979,365.19
  5. Step 5: Solve for x
    x = 45,163,979,365.19/242,428.02
  6. Step 6: Final answer
    x = 186,298.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.