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Finding the Fourth Proportional to 475,133.67, 655,684.58 and 260,281.37

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Solution

The fourth proportional to 475,133.67, 655,684.58 and 260,281.37 is: 359,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,133.67 : 655,684.58 = 260,281.37 : x
  2. Step 2: Convert to fraction form
    475,133.67/655,684.58 = 260,281.37/x
  3. Step 3: Cross multiply
    475,133.67x = 655,684.58 × 260,281.37
  4. Step 4: Simplify right side
    475,133.67x = 170,662,480,770.28
  5. Step 5: Solve for x
    x = 170,662,480,770.28/475,133.67
  6. Step 6: Final answer
    x = 359,188.35

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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.