Home / 315,206.19-434,983.95-171,966.33

Finding the Fourth Proportional to 315,206.19, 434,983.95 and 171,966.33

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Solution

The fourth proportional to 315,206.19, 434,983.95 and 171,966.33 is: 237,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,206.19 : 434,983.95 = 171,966.33 : x
  2. Step 2: Convert to fraction form
    315,206.19/434,983.95 = 171,966.33/x
  3. Step 3: Cross multiply
    315,206.19x = 434,983.95 × 171,966.33
  4. Step 4: Simplify right side
    315,206.19x = 74,802,593,490.40
  5. Step 5: Solve for x
    x = 74,802,593,490.40/315,206.19
  6. Step 6: Final answer
    x = 237,313.21

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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.