Home / 370,111.48-510,745.15-208,962.38

Finding the Fourth Proportional to 370,111.48, 510,745.15 and 208,962.38

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Solution

The fourth proportional to 370,111.48, 510,745.15 and 208,962.38 is: 288,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,111.48 : 510,745.15 = 208,962.38 : x
  2. Step 2: Convert to fraction form
    370,111.48/510,745.15 = 208,962.38/x
  3. Step 3: Cross multiply
    370,111.48x = 510,745.15 × 208,962.38
  4. Step 4: Simplify right side
    370,111.48x = 106,726,522,480.11
  5. Step 5: Solve for x
    x = 106,726,522,480.11/370,111.48
  6. Step 6: Final answer
    x = 288,363.18

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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.