Home / 238,341.32-328,913.70-130,913.84

Finding the Fourth Proportional to 238,341.32, 328,913.70 and 130,913.84

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Solution

The fourth proportional to 238,341.32, 328,913.70 and 130,913.84 is: 180,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,341.32 : 328,913.70 = 130,913.84 : x
  2. Step 2: Convert to fraction form
    238,341.32/328,913.70 = 130,913.84/x
  3. Step 3: Cross multiply
    238,341.32x = 328,913.70 × 130,913.84
  4. Step 4: Simplify right side
    238,341.32x = 43,059,355,495.61
  5. Step 5: Solve for x
    x = 43,059,355,495.61/238,341.32
  6. Step 6: Final answer
    x = 180,662.57

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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.