Home / 315,210.03-434,972.10-179,277.04

Finding the Fourth Proportional to 315,210.03, 434,972.10 and 179,277.04

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Solution

The fourth proportional to 315,210.03, 434,972.10 and 179,277.04 is: 247,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,210.03 : 434,972.10 = 179,277.04 : x
  2. Step 2: Convert to fraction form
    315,210.03/434,972.10 = 179,277.04/x
  3. Step 3: Cross multiply
    315,210.03x = 434,972.10 × 179,277.04
  4. Step 4: Simplify right side
    315,210.03x = 77,980,510,570.58
  5. Step 5: Solve for x
    x = 77,980,510,570.58/315,210.03
  6. Step 6: Final answer
    x = 247,392.22

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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.