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Finding the Fourth Proportional to 581,138.47, 871,848.24 and 202,004.47

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Solution

The fourth proportional to 581,138.47, 871,848.24 and 202,004.47 is: 303,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,138.47 : 871,848.24 = 202,004.47 : x
  2. Step 2: Convert to fraction form
    581,138.47/871,848.24 = 202,004.47/x
  3. Step 3: Cross multiply
    581,138.47x = 871,848.24 × 202,004.47
  4. Step 4: Simplify right side
    581,138.47x = 176,117,241,641.63
  5. Step 5: Solve for x
    x = 176,117,241,641.63/581,138.47
  6. Step 6: Final answer
    x = 303,055.56

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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.