Home / 314,890.22-434,532.16-178,905.30

Finding the Fourth Proportional to 314,890.22, 434,532.16 and 178,905.30

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Solution

The fourth proportional to 314,890.22, 434,532.16 and 178,905.30 is: 246,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,890.22 : 434,532.16 = 178,905.30 : x
  2. Step 2: Convert to fraction form
    314,890.22/434,532.16 = 178,905.30/x
  3. Step 3: Cross multiply
    314,890.22x = 434,532.16 × 178,905.30
  4. Step 4: Simplify right side
    314,890.22x = 77,740,106,444.45
  5. Step 5: Solve for x
    x = 77,740,106,444.45/314,890.22
  6. Step 6: Final answer
    x = 246,880.03

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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.