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Finding the Fourth Proportional to 446,402.77, 616,040.27 and 242,455.60

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Solution

The fourth proportional to 446,402.77, 616,040.27 and 242,455.60 is: 334,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,402.77 : 616,040.27 = 242,455.60 : x
  2. Step 2: Convert to fraction form
    446,402.77/616,040.27 = 242,455.60/x
  3. Step 3: Cross multiply
    446,402.77x = 616,040.27 × 242,455.60
  4. Step 4: Simplify right side
    446,402.77x = 149,362,413,287.01
  5. Step 5: Solve for x
    x = 149,362,413,287.01/446,402.77
  6. Step 6: Final answer
    x = 334,591.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.