Home / 283,145.10-424,717.65-272,258.70

Finding the Fourth Proportional to 283,145.10, 424,717.65 and 272,258.70

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Solution

The fourth proportional to 283,145.10, 424,717.65 and 272,258.70 is: 408,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,145.10 : 424,717.65 = 272,258.70 : x
  2. Step 2: Convert to fraction form
    283,145.10/424,717.65 = 272,258.70/x
  3. Step 3: Cross multiply
    283,145.10x = 424,717.65 × 272,258.70
  4. Step 4: Simplify right side
    283,145.10x = 115,633,075,256.06
  5. Step 5: Solve for x
    x = 115,633,075,256.06/283,145.10
  6. Step 6: Final answer
    x = 408,388.05

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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.