Home / 305,739.23-456,550.02-249,690.60

Finding the Fourth Proportional to 305,739.23, 456,550.02 and 249,690.60

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Solution

The fourth proportional to 305,739.23, 456,550.02 and 249,690.60 is: 372,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,739.23 : 456,550.02 = 249,690.60 : x
  2. Step 2: Convert to fraction form
    305,739.23/456,550.02 = 249,690.60/x
  3. Step 3: Cross multiply
    305,739.23x = 456,550.02 × 249,690.60
  4. Step 4: Simplify right side
    305,739.23x = 113,996,248,423.81
  5. Step 5: Solve for x
    x = 113,996,248,423.81/305,739.23
  6. Step 6: Final answer
    x = 372,854.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.