Home / 486,210.04-671,003.54-271,392.10

Finding the Fourth Proportional to 486,210.04, 671,003.54 and 271,392.10

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Solution

The fourth proportional to 486,210.04, 671,003.54 and 271,392.10 is: 374,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,210.04 : 671,003.54 = 271,392.10 : x
  2. Step 2: Convert to fraction form
    486,210.04/671,003.54 = 271,392.10/x
  3. Step 3: Cross multiply
    486,210.04x = 671,003.54 × 271,392.10
  4. Step 4: Simplify right side
    486,210.04x = 182,105,059,828.03
  5. Step 5: Solve for x
    x = 182,105,059,828.03/486,210.04
  6. Step 6: Final answer
    x = 374,539.90

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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.