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Finding the Fourth Proportional to 446,439.06, 616,090.90 and 262,718.25

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Solution

The fourth proportional to 446,439.06, 616,090.90 and 262,718.25 is: 362,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,439.06 : 616,090.90 = 262,718.25 : x
  2. Step 2: Convert to fraction form
    446,439.06/616,090.90 = 262,718.25/x
  3. Step 3: Cross multiply
    446,439.06x = 616,090.90 × 262,718.25
  4. Step 4: Simplify right side
    446,439.06x = 161,858,323,088.93
  5. Step 5: Solve for x
    x = 161,858,323,088.93/446,439.06
  6. Step 6: Final answer
    x = 362,554.13

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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.