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Finding the Fourth Proportional to 366,572.79, 505,870.52 and 223,332.80

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Solution

The fourth proportional to 366,572.79, 505,870.52 and 223,332.80 is: 308,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,572.79 : 505,870.52 = 223,332.80 : x
  2. Step 2: Convert to fraction form
    366,572.79/505,870.52 = 223,332.80/x
  3. Step 3: Cross multiply
    366,572.79x = 505,870.52 × 223,332.80
  4. Step 4: Simplify right side
    366,572.79x = 112,977,476,023.04
  5. Step 5: Solve for x
    x = 112,977,476,023.04/366,572.79
  6. Step 6: Final answer
    x = 308,199.30

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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.