Home / 342,947.96-473,432.28-228,417.20

Finding the Fourth Proportional to 342,947.96, 473,432.28 and 228,417.20

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Solution

The fourth proportional to 342,947.96, 473,432.28 and 228,417.20 is: 315,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,947.96 : 473,432.28 = 228,417.20 : x
  2. Step 2: Convert to fraction form
    342,947.96/473,432.28 = 228,417.20/x
  3. Step 3: Cross multiply
    342,947.96x = 473,432.28 × 228,417.20
  4. Step 4: Simplify right side
    342,947.96x = 108,140,075,787.22
  5. Step 5: Solve for x
    x = 108,140,075,787.22/342,947.96
  6. Step 6: Final answer
    x = 315,325.03

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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.