Home / 476,102.84-657,021.81-272,158.18

Finding the Fourth Proportional to 476,102.84, 657,021.81 and 272,158.18

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Solution

The fourth proportional to 476,102.84, 657,021.81 and 272,158.18 is: 375,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,102.84 : 657,021.81 = 272,158.18 : x
  2. Step 2: Convert to fraction form
    476,102.84/657,021.81 = 272,158.18/x
  3. Step 3: Cross multiply
    476,102.84x = 657,021.81 × 272,158.18
  4. Step 4: Simplify right side
    476,102.84x = 178,813,857,111.61
  5. Step 5: Solve for x
    x = 178,813,857,111.61/476,102.84
  6. Step 6: Final answer
    x = 375,578.22

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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.