Home / 402,220.14-602,513.73-313,107.18

Finding the Fourth Proportional to 402,220.14, 602,513.73 and 313,107.18

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Solution

The fourth proportional to 402,220.14, 602,513.73 and 313,107.18 is: 469,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,220.14 : 602,513.73 = 313,107.18 : x
  2. Step 2: Convert to fraction form
    402,220.14/602,513.73 = 313,107.18/x
  3. Step 3: Cross multiply
    402,220.14x = 602,513.73 × 313,107.18
  4. Step 4: Simplify right side
    402,220.14x = 188,651,374,911.58
  5. Step 5: Solve for x
    x = 188,651,374,911.58/402,220.14
  6. Step 6: Final answer
    x = 469,025.18

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1.5x scale

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.