Home / 353,852.03-488,356.13-210,612.53

Finding the Fourth Proportional to 353,852.03, 488,356.13 and 210,612.53

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Solution

The fourth proportional to 353,852.03, 488,356.13 and 210,612.53 is: 290,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,852.03 : 488,356.13 = 210,612.53 : x
  2. Step 2: Convert to fraction form
    353,852.03/488,356.13 = 210,612.53/x
  3. Step 3: Cross multiply
    353,852.03x = 488,356.13 × 210,612.53
  4. Step 4: Simplify right side
    353,852.03x = 102,853,918,165.06
  5. Step 5: Solve for x
    x = 102,853,918,165.06/353,852.03
  6. Step 6: Final answer
    x = 290,669.29

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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.