Home / 260,430.69-390,685.03-94,257.57

Finding the Fourth Proportional to 260,430.69, 390,685.03 and 94,257.57

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Solution

The fourth proportional to 260,430.69, 390,685.03 and 94,257.57 is: 141,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,430.69 : 390,685.03 = 94,257.57 : x
  2. Step 2: Convert to fraction form
    260,430.69/390,685.03 = 94,257.57/x
  3. Step 3: Cross multiply
    260,430.69x = 390,685.03 × 94,257.57
  4. Step 4: Simplify right side
    260,430.69x = 36,825,021,563.18
  5. Step 5: Solve for x
    x = 36,825,021,563.18/260,430.69
  6. Step 6: Final answer
    x = 141,400.47

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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.