Home / 282,476.10-423,320.48-212,273.40

Finding the Fourth Proportional to 282,476.10, 423,320.48 and 212,273.40

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Solution

The fourth proportional to 282,476.10, 423,320.48 and 212,273.40 is: 318,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,476.10 : 423,320.48 = 212,273.40 : x
  2. Step 2: Convert to fraction form
    282,476.10/423,320.48 = 212,273.40/x
  3. Step 3: Cross multiply
    282,476.10x = 423,320.48 × 212,273.40
  4. Step 4: Simplify right side
    282,476.10x = 89,859,677,579.23
  5. Step 5: Solve for x
    x = 89,859,677,579.23/282,476.10
  6. Step 6: Final answer
    x = 318,114.27

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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.