Home / 217,019.10-325,528.65-133,038.30

Finding the Fourth Proportional to 217,019.10, 325,528.65 and 133,038.30

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Solution

The fourth proportional to 217,019.10, 325,528.65 and 133,038.30 is: 199,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,019.10 : 325,528.65 = 133,038.30 : x
  2. Step 2: Convert to fraction form
    217,019.10/325,528.65 = 133,038.30/x
  3. Step 3: Cross multiply
    217,019.10x = 325,528.65 × 133,038.30
  4. Step 4: Simplify right side
    217,019.10x = 43,307,778,197.30
  5. Step 5: Solve for x
    x = 43,307,778,197.30/217,019.10
  6. Step 6: Final answer
    x = 199,557.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.