Home / 369,750.30-510,243.66-208,603.20

Finding the Fourth Proportional to 369,750.30, 510,243.66 and 208,603.20

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Solution

The fourth proportional to 369,750.30, 510,243.66 and 208,603.20 is: 287,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,750.30 : 510,243.66 = 208,603.20 : x
  2. Step 2: Convert to fraction form
    369,750.30/510,243.66 = 208,603.20/x
  3. Step 3: Cross multiply
    369,750.30x = 510,243.66 × 208,603.20
  4. Step 4: Simplify right side
    369,750.30x = 106,438,460,255.71
  5. Step 5: Solve for x
    x = 106,438,460,255.71/369,750.30
  6. Step 6: Final answer
    x = 287,865.78

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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.