Home / 357,050.22-492,280.92-261,390.84

Finding the Fourth Proportional to 357,050.22, 492,280.92 and 261,390.84

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Solution

The fourth proportional to 357,050.22, 492,280.92 and 261,390.84 is: 360,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,050.22 : 492,280.92 = 261,390.84 : x
  2. Step 2: Convert to fraction form
    357,050.22/492,280.92 = 261,390.84/x
  3. Step 3: Cross multiply
    357,050.22x = 492,280.92 × 261,390.84
  4. Step 4: Simplify right side
    357,050.22x = 128,677,723,194.77
  5. Step 5: Solve for x
    x = 128,677,723,194.77/357,050.22
  6. Step 6: Final answer
    x = 360,391.10

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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.