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Finding the Fourth Proportional to 260,915.48, 360,058.12 and 146,192.72

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Solution

The fourth proportional to 260,915.48, 360,058.12 and 146,192.72 is: 201,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,915.48 : 360,058.12 = 146,192.72 : x
  2. Step 2: Convert to fraction form
    260,915.48/360,058.12 = 146,192.72/x
  3. Step 3: Cross multiply
    260,915.48x = 360,058.12 × 146,192.72
  4. Step 4: Simplify right side
    260,915.48x = 52,637,875,920.89
  5. Step 5: Solve for x
    x = 52,637,875,920.89/260,915.48
  6. Step 6: Final answer
    x = 201,743.02

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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.