Home / 238,029.84-328,491.45-142,518.29

Finding the Fourth Proportional to 238,029.84, 328,491.45 and 142,518.29

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Solution

The fourth proportional to 238,029.84, 328,491.45 and 142,518.29 is: 196,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,029.84 : 328,491.45 = 142,518.29 : x
  2. Step 2: Convert to fraction form
    238,029.84/328,491.45 = 142,518.29/x
  3. Step 3: Cross multiply
    238,029.84x = 328,491.45 × 142,518.29
  4. Step 4: Simplify right side
    238,029.84x = 46,816,038,091.16
  5. Step 5: Solve for x
    x = 46,816,038,091.16/238,029.84
  6. Step 6: Final answer
    x = 196,681.38

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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.