Home / 258,934.52-388,643.70-134,363

Finding the Fourth Proportional to 258,934.52, 388,643.70 and 134,363

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Solution

The fourth proportional to 258,934.52, 388,643.70 and 134,363 is: 201,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,934.52 : 388,643.70 = 134,363 : x
  2. Step 2: Convert to fraction form
    258,934.52/388,643.70 = 134,363/x
  3. Step 3: Cross multiply
    258,934.52x = 388,643.70 × 134,363
  4. Step 4: Simplify right side
    258,934.52x = 52,219,333,463.10
  5. Step 5: Solve for x
    x = 52,219,333,463.10/258,934.52
  6. Step 6: Final answer
    x = 201,670.03

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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.