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Finding the Fourth Proportional to 210,007.30, 315,010.95 and 177,202.30

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Solution

The fourth proportional to 210,007.30, 315,010.95 and 177,202.30 is: 265,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.30 : 315,010.95 = 177,202.30 : x
  2. Step 2: Convert to fraction form
    210,007.30/315,010.95 = 177,202.30/x
  3. Step 3: Cross multiply
    210,007.30x = 315,010.95 × 177,202.30
  4. Step 4: Simplify right side
    210,007.30x = 55,820,664,865.19
  5. Step 5: Solve for x
    x = 55,820,664,865.19/210,007.30
  6. Step 6: Final answer
    x = 265,803.45

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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.