Home / 210,007.81-315,011.11-52,236.26

Finding the Fourth Proportional to 210,007.81, 315,011.11 and 52,236.26

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Solution

The fourth proportional to 210,007.81, 315,011.11 and 52,236.26 is: 78,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.81 : 315,011.11 = 52,236.26 : x
  2. Step 2: Convert to fraction form
    210,007.81/315,011.11 = 52,236.26/x
  3. Step 3: Cross multiply
    210,007.81x = 315,011.11 × 52,236.26
  4. Step 4: Simplify right side
    210,007.81x = 16,455,001,818.44
  5. Step 5: Solve for x
    x = 16,455,001,818.44/210,007.81
  6. Step 6: Final answer
    x = 78,354.24

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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.