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Finding the Fourth Proportional to 254,518.88, 351,197 and 147,068.08

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Solution

The fourth proportional to 254,518.88, 351,197 and 147,068.08 is: 202,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,518.88 : 351,197 = 147,068.08 : x
  2. Step 2: Convert to fraction form
    254,518.88/351,197 = 147,068.08/x
  3. Step 3: Cross multiply
    254,518.88x = 351,197 × 147,068.08
  4. Step 4: Simplify right side
    254,518.88x = 51,649,868,491.76
  5. Step 5: Solve for x
    x = 51,649,868,491.76/254,518.88
  6. Step 6: Final answer
    x = 202,931.38

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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.