Home / 368,311.04-508,264.13-207,166.20

Finding the Fourth Proportional to 368,311.04, 508,264.13 and 207,166.20

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Solution

The fourth proportional to 368,311.04, 508,264.13 and 207,166.20 is: 285,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,311.04 : 508,264.13 = 207,166.20 : x
  2. Step 2: Convert to fraction form
    368,311.04/508,264.13 = 207,166.20/x
  3. Step 3: Cross multiply
    368,311.04x = 508,264.13 × 207,166.20
  4. Step 4: Simplify right side
    368,311.04x = 105,295,148,408.41
  5. Step 5: Solve for x
    x = 105,295,148,408.41/368,311.04
  6. Step 6: Final answer
    x = 285,886.48

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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.