Home / 283,015.31-390,740.40-175,699.22

Finding the Fourth Proportional to 283,015.31, 390,740.40 and 175,699.22

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Solution

The fourth proportional to 283,015.31, 390,740.40 and 175,699.22 is: 242,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,015.31 : 390,740.40 = 175,699.22 : x
  2. Step 2: Convert to fraction form
    283,015.31/390,740.40 = 175,699.22/x
  3. Step 3: Cross multiply
    283,015.31x = 390,740.40 × 175,699.22
  4. Step 4: Simplify right side
    283,015.31x = 68,652,781,548.79
  5. Step 5: Solve for x
    x = 68,652,781,548.79/283,015.31
  6. Step 6: Final answer
    x = 242,576.22

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1.5x scale

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.