Home / 286,741.02-427,691.81-249,004.34

Finding the Fourth Proportional to 286,741.02, 427,691.81 and 249,004.34

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Solution

The fourth proportional to 286,741.02, 427,691.81 and 249,004.34 is: 371,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,741.02 : 427,691.81 = 249,004.34 : x
  2. Step 2: Convert to fraction form
    286,741.02/427,691.81 = 249,004.34/x
  3. Step 3: Cross multiply
    286,741.02x = 427,691.81 × 249,004.34
  4. Step 4: Simplify right side
    286,741.02x = 106,497,116,872.46
  5. Step 5: Solve for x
    x = 106,497,116,872.46/286,741.02
  6. Step 6: Final answer
    x = 371,405.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.