Home / 269,018.02-371,232.88-154,214.35

Finding the Fourth Proportional to 269,018.02, 371,232.88 and 154,214.35

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Solution

The fourth proportional to 269,018.02, 371,232.88 and 154,214.35 is: 212,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,018.02 : 371,232.88 = 154,214.35 : x
  2. Step 2: Convert to fraction form
    269,018.02/371,232.88 = 154,214.35/x
  3. Step 3: Cross multiply
    269,018.02x = 371,232.88 × 154,214.35
  4. Step 4: Simplify right side
    269,018.02x = 57,249,438,794.21
  5. Step 5: Solve for x
    x = 57,249,438,794.21/269,018.02
  6. Step 6: Final answer
    x = 212,808.94

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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.