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Finding the Fourth Proportional to 313,498.08, 432,625.46 and 170,256.87

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Solution

The fourth proportional to 313,498.08, 432,625.46 and 170,256.87 is: 234,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,498.08 : 432,625.46 = 170,256.87 : x
  2. Step 2: Convert to fraction form
    313,498.08/432,625.46 = 170,256.87/x
  3. Step 3: Cross multiply
    313,498.08x = 432,625.46 × 170,256.87
  4. Step 4: Simplify right side
    313,498.08x = 73,657,455,850.63
  5. Step 5: Solve for x
    x = 73,657,455,850.63/313,498.08
  6. Step 6: Final answer
    x = 234,953.45

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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.