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Finding the Fourth Proportional to 292,315.80, 403,429.84 and 243,170.60

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Solution

The fourth proportional to 292,315.80, 403,429.84 and 243,170.60 is: 335,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,315.80 : 403,429.84 = 243,170.60 : x
  2. Step 2: Convert to fraction form
    292,315.80/403,429.84 = 243,170.60/x
  3. Step 3: Cross multiply
    292,315.80x = 403,429.84 × 243,170.60
  4. Step 4: Simplify right side
    292,315.80x = 98,102,276,250.70
  5. Step 5: Solve for x
    x = 98,102,276,250.70/292,315.80
  6. Step 6: Final answer
    x = 335,603.74

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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.