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Finding the Fourth Proportional to 426,861, 589,059.96 and 235,870.26

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Solution

The fourth proportional to 426,861, 589,059.96 and 235,870.26 is: 325,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,861 : 589,059.96 = 235,870.26 : x
  2. Step 2: Convert to fraction form
    426,861/589,059.96 = 235,870.26/x
  3. Step 3: Cross multiply
    426,861x = 589,059.96 × 235,870.26
  4. Step 4: Simplify right side
    426,861x = 138,941,725,920.79
  5. Step 5: Solve for x
    x = 138,941,725,920.79/426,861
  6. Step 6: Final answer
    x = 325,496.42

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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.