Home / 283,238.02-390,876.65-154,184.87

Finding the Fourth Proportional to 283,238.02, 390,876.65 and 154,184.87

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Solution

The fourth proportional to 283,238.02, 390,876.65 and 154,184.87 is: 212,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,238.02 : 390,876.65 = 154,184.87 : x
  2. Step 2: Convert to fraction form
    283,238.02/390,876.65 = 154,184.87/x
  3. Step 3: Cross multiply
    283,238.02x = 390,876.65 × 154,184.87
  4. Step 4: Simplify right side
    283,238.02x = 60,267,264,919.35
  5. Step 5: Solve for x
    x = 60,267,264,919.35/283,238.02
  6. Step 6: Final answer
    x = 212,779.58

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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.