Home / 374,857.20-517,312.08-213,727.50

Finding the Fourth Proportional to 374,857.20, 517,312.08 and 213,727.50

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Solution

The fourth proportional to 374,857.20, 517,312.08 and 213,727.50 is: 294,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,857.20 : 517,312.08 = 213,727.50 : x
  2. Step 2: Convert to fraction form
    374,857.20/517,312.08 = 213,727.50/x
  3. Step 3: Cross multiply
    374,857.20x = 517,312.08 × 213,727.50
  4. Step 4: Simplify right side
    374,857.20x = 110,563,817,578.20
  5. Step 5: Solve for x
    x = 110,563,817,578.20/374,857.20
  6. Step 6: Final answer
    x = 294,949.16

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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.