Home / 314,787.24-434,406.42-171,547.20

Finding the Fourth Proportional to 314,787.24, 434,406.42 and 171,547.20

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Solution

The fourth proportional to 314,787.24, 434,406.42 and 171,547.20 is: 236,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,787.24 : 434,406.42 = 171,547.20 : x
  2. Step 2: Convert to fraction form
    314,787.24/434,406.42 = 171,547.20/x
  3. Step 3: Cross multiply
    314,787.24x = 434,406.42 × 171,547.20
  4. Step 4: Simplify right side
    314,787.24x = 74,521,205,013.02
  5. Step 5: Solve for x
    x = 74,521,205,013.02/314,787.24
  6. Step 6: Final answer
    x = 236,735.15

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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.