Home / 426,019.10-587,909.95-235,045.40

Finding the Fourth Proportional to 426,019.10, 587,909.95 and 235,045.40

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Solution

The fourth proportional to 426,019.10, 587,909.95 and 235,045.40 is: 324,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,019.10 : 587,909.95 = 235,045.40 : x
  2. Step 2: Convert to fraction form
    426,019.10/587,909.95 = 235,045.40/x
  3. Step 3: Cross multiply
    426,019.10x = 587,909.95 × 235,045.40
  4. Step 4: Simplify right side
    426,019.10x = 138,185,525,834.57
  5. Step 5: Solve for x
    x = 138,185,525,834.57/426,019.10
  6. Step 6: Final answer
    x = 324,364.63

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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.