Home / 314,009.21-433,328.59-170,766.20

Finding the Fourth Proportional to 314,009.21, 433,328.59 and 170,766.20

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Solution

The fourth proportional to 314,009.21, 433,328.59 and 170,766.20 is: 235,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,009.21 : 433,328.59 = 170,766.20 : x
  2. Step 2: Convert to fraction form
    314,009.21/433,328.59 = 170,766.20/x
  3. Step 3: Cross multiply
    314,009.21x = 433,328.59 × 170,766.20
  4. Step 4: Simplify right side
    314,009.21x = 73,997,874,072.10
  5. Step 5: Solve for x
    x = 73,997,874,072.10/314,009.21
  6. Step 6: Final answer
    x = 235,655.11

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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.