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Finding the Fourth Proportional to 243,837.40, 365,043.30 and 173,853.40

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Solution

The fourth proportional to 243,837.40, 365,043.30 and 173,853.40 is: 260,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,837.40 : 365,043.30 = 173,853.40 : x
  2. Step 2: Convert to fraction form
    243,837.40/365,043.30 = 173,853.40/x
  3. Step 3: Cross multiply
    243,837.40x = 365,043.30 × 173,853.40
  4. Step 4: Simplify right side
    243,837.40x = 63,464,018,852.22
  5. Step 5: Solve for x
    x = 63,464,018,852.22/243,837.40
  6. Step 6: Final answer
    x = 260,271.88

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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.