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Finding the Fourth Proportional to 314,073.40, 433,428.42 and 170,841.10

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Solution

The fourth proportional to 314,073.40, 433,428.42 and 170,841.10 is: 235,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,073.40 : 433,428.42 = 170,841.10 : x
  2. Step 2: Convert to fraction form
    314,073.40/433,428.42 = 170,841.10/x
  3. Step 3: Cross multiply
    314,073.40x = 433,428.42 × 170,841.10
  4. Step 4: Simplify right side
    314,073.40x = 74,047,388,044.06
  5. Step 5: Solve for x
    x = 74,047,388,044.06/314,073.40
  6. Step 6: Final answer
    x = 235,764.60

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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.