Home / 315,140.02-434,875.73-179,155.09

Finding the Fourth Proportional to 315,140.02, 434,875.73 and 179,155.09

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Solution

The fourth proportional to 315,140.02, 434,875.73 and 179,155.09 is: 247,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,140.02 : 434,875.73 = 179,155.09 : x
  2. Step 2: Convert to fraction form
    315,140.02/434,875.73 = 179,155.09/x
  3. Step 3: Cross multiply
    315,140.02x = 434,875.73 × 179,155.09
  4. Step 4: Simplify right side
    315,140.02x = 77,910,200,546.97
  5. Step 5: Solve for x
    x = 77,910,200,546.97/315,140.02
  6. Step 6: Final answer
    x = 247,224.08

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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.