Home / 260,032.10-390,048.15-189,529.70

Finding the Fourth Proportional to 260,032.10, 390,048.15 and 189,529.70

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Solution

The fourth proportional to 260,032.10, 390,048.15 and 189,529.70 is: 284,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,032.10 : 390,048.15 = 189,529.70 : x
  2. Step 2: Convert to fraction form
    260,032.10/390,048.15 = 189,529.70/x
  3. Step 3: Cross multiply
    260,032.10x = 390,048.15 × 189,529.70
  4. Step 4: Simplify right side
    260,032.10x = 73,925,708,855.06
  5. Step 5: Solve for x
    x = 73,925,708,855.06/260,032.10
  6. Step 6: Final answer
    x = 284,294.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.