Home / 314,880.09-434,518.13-178,895.17

Finding the Fourth Proportional to 314,880.09, 434,518.13 and 178,895.17

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Solution

The fourth proportional to 314,880.09, 434,518.13 and 178,895.17 is: 246,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,880.09 : 434,518.13 = 178,895.17 : x
  2. Step 2: Convert to fraction form
    314,880.09/434,518.13 = 178,895.17/x
  3. Step 3: Cross multiply
    314,880.09x = 434,518.13 × 178,895.17
  4. Step 4: Simplify right side
    314,880.09x = 77,733,194,734.43
  5. Step 5: Solve for x
    x = 77,733,194,734.43/314,880.09
  6. Step 6: Final answer
    x = 246,866.02

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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.