Home / 380,005.48-569,991.42-99,516.52

Finding the Fourth Proportional to 380,005.48, 569,991.42 and 99,516.52

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Solution

The fourth proportional to 380,005.48, 569,991.42 and 99,516.52 is: 149,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,005.48 : 569,991.42 = 99,516.52 : x
  2. Step 2: Convert to fraction form
    380,005.48/569,991.42 = 99,516.52/x
  3. Step 3: Cross multiply
    380,005.48x = 569,991.42 × 99,516.52
  4. Step 4: Simplify right side
    380,005.48x = 56,723,562,548.26
  5. Step 5: Solve for x
    x = 56,723,562,548.26/380,005.48
  6. Step 6: Final answer
    x = 149,270.38

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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.