Home / 238,411.36-328,924.96-152,420.68

Finding the Fourth Proportional to 238,411.36, 328,924.96 and 152,420.68

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Solution

The fourth proportional to 238,411.36, 328,924.96 and 152,420.68 is: 210,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,411.36 : 328,924.96 = 152,420.68 : x
  2. Step 2: Convert to fraction form
    238,411.36/328,924.96 = 152,420.68/x
  3. Step 3: Cross multiply
    238,411.36x = 328,924.96 × 152,420.68
  4. Step 4: Simplify right side
    238,411.36x = 50,134,966,072.17
  5. Step 5: Solve for x
    x = 50,134,966,072.17/238,411.36
  6. Step 6: Final answer
    x = 210,287.66

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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.