Home / 342,430.63-472,568.20-189,466.34

Finding the Fourth Proportional to 342,430.63, 472,568.20 and 189,466.34

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Solution

The fourth proportional to 342,430.63, 472,568.20 and 189,466.34 is: 261,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,430.63 : 472,568.20 = 189,466.34 : x
  2. Step 2: Convert to fraction form
    342,430.63/472,568.20 = 189,466.34/x
  3. Step 3: Cross multiply
    342,430.63x = 472,568.20 × 189,466.34
  4. Step 4: Simplify right side
    342,430.63x = 89,535,767,254.39
  5. Step 5: Solve for x
    x = 89,535,767,254.39/342,430.63
  6. Step 6: Final answer
    x = 261,471.26

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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.