Home / 438,962.49-657,935.46-201,807.45

Finding the Fourth Proportional to 438,962.49, 657,935.46 and 201,807.45

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Solution

The fourth proportional to 438,962.49, 657,935.46 and 201,807.45 is: 302,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,962.49 : 657,935.46 = 201,807.45 : x
  2. Step 2: Convert to fraction form
    438,962.49/657,935.46 = 201,807.45/x
  3. Step 3: Cross multiply
    438,962.49x = 657,935.46 × 201,807.45
  4. Step 4: Simplify right side
    438,962.49x = 132,776,277,447.18
  5. Step 5: Solve for x
    x = 132,776,277,447.18/438,962.49
  6. Step 6: Final answer
    x = 302,477.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.