Home / 457,355.49-686,099.66-141,837.81

Finding the Fourth Proportional to 457,355.49, 686,099.66 and 141,837.81

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Solution

The fourth proportional to 457,355.49, 686,099.66 and 141,837.81 is: 212,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,355.49 : 686,099.66 = 141,837.81 : x
  2. Step 2: Convert to fraction form
    457,355.49/686,099.66 = 141,837.81/x
  3. Step 3: Cross multiply
    457,355.49x = 686,099.66 × 141,837.81
  4. Step 4: Simplify right side
    457,355.49x = 97,314,872,506.96
  5. Step 5: Solve for x
    x = 97,314,872,506.96/457,355.49
  6. Step 6: Final answer
    x = 212,777.31

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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.