Home / 210,004.30-315,006.45-157,516.30

Finding the Fourth Proportional to 210,004.30, 315,006.45 and 157,516.30

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Solution

The fourth proportional to 210,004.30, 315,006.45 and 157,516.30 is: 236,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004.30 : 315,006.45 = 157,516.30 : x
  2. Step 2: Convert to fraction form
    210,004.30/315,006.45 = 157,516.30/x
  3. Step 3: Cross multiply
    210,004.30x = 315,006.45 × 157,516.30
  4. Step 4: Simplify right side
    210,004.30x = 49,618,650,480.14
  5. Step 5: Solve for x
    x = 49,618,650,480.14/210,004.30
  6. Step 6: Final answer
    x = 236,274.45

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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.