Home / 353,701.28-488,032.09-210,433.34

Finding the Fourth Proportional to 353,701.28, 488,032.09 and 210,433.34

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Solution

The fourth proportional to 353,701.28, 488,032.09 and 210,433.34 is: 290,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,701.28 : 488,032.09 = 210,433.34 : x
  2. Step 2: Convert to fraction form
    353,701.28/488,032.09 = 210,433.34/x
  3. Step 3: Cross multiply
    353,701.28x = 488,032.09 × 210,433.34
  4. Step 4: Simplify right side
    353,701.28x = 102,698,223,419.88
  5. Step 5: Solve for x
    x = 102,698,223,419.88/353,701.28
  6. Step 6: Final answer
    x = 290,352.99

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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.