Home / 468,316.20-646,278.03-253,456.23

Finding the Fourth Proportional to 468,316.20, 646,278.03 and 253,456.23

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Solution

The fourth proportional to 468,316.20, 646,278.03 and 253,456.23 is: 349,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,316.20 : 646,278.03 = 253,456.23 : x
  2. Step 2: Convert to fraction form
    468,316.20/646,278.03 = 253,456.23/x
  3. Step 3: Cross multiply
    468,316.20x = 646,278.03 × 253,456.23
  4. Step 4: Simplify right side
    468,316.20x = 163,803,193,015.63
  5. Step 5: Solve for x
    x = 163,803,193,015.63/468,316.20
  6. Step 6: Final answer
    x = 349,770.50

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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.