Home / 342,132.08-472,038.58-238,763.54

Finding the Fourth Proportional to 342,132.08, 472,038.58 and 238,763.54

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Solution

The fourth proportional to 342,132.08, 472,038.58 and 238,763.54 is: 329,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,132.08 : 472,038.58 = 238,763.54 : x
  2. Step 2: Convert to fraction form
    342,132.08/472,038.58 = 238,763.54/x
  3. Step 3: Cross multiply
    342,132.08x = 472,038.58 × 238,763.54
  4. Step 4: Simplify right side
    342,132.08x = 112,705,602,377.37
  5. Step 5: Solve for x
    x = 112,705,602,377.37/342,132.08
  6. Step 6: Final answer
    x = 329,421.32

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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.