Home / 282,625.54-390,026.32-155,301.12

Finding the Fourth Proportional to 282,625.54, 390,026.32 and 155,301.12

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Solution

The fourth proportional to 282,625.54, 390,026.32 and 155,301.12 is: 214,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,625.54 : 390,026.32 = 155,301.12 : x
  2. Step 2: Convert to fraction form
    282,625.54/390,026.32 = 155,301.12/x
  3. Step 3: Cross multiply
    282,625.54x = 390,026.32 × 155,301.12
  4. Step 4: Simplify right side
    282,625.54x = 60,571,523,937.23
  5. Step 5: Solve for x
    x = 60,571,523,937.23/282,625.54
  6. Step 6: Final answer
    x = 214,317.24

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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.