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Finding the Fourth Proportional to 360,399.83, 497,325.57 and 199,256.81

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Solution

The fourth proportional to 360,399.83, 497,325.57 and 199,256.81 is: 274,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,399.83 : 497,325.57 = 199,256.81 : x
  2. Step 2: Convert to fraction form
    360,399.83/497,325.57 = 199,256.81/x
  3. Step 3: Cross multiply
    360,399.83x = 497,325.57 × 199,256.81
  4. Step 4: Simplify right side
    360,399.83x = 99,095,506,609.63
  5. Step 5: Solve for x
    x = 99,095,506,609.63/360,399.83
  6. Step 6: Final answer
    x = 274,959.91

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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.