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Finding the Fourth Proportional to 382,345.60, 573,518.40 and 133,027.60

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Solution

The fourth proportional to 382,345.60, 573,518.40 and 133,027.60 is: 199,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,345.60 : 573,518.40 = 133,027.60 : x
  2. Step 2: Convert to fraction form
    382,345.60/573,518.40 = 133,027.60/x
  3. Step 3: Cross multiply
    382,345.60x = 573,518.40 × 133,027.60
  4. Step 4: Simplify right side
    382,345.60x = 76,293,776,307.84
  5. Step 5: Solve for x
    x = 76,293,776,307.84/382,345.60
  6. Step 6: Final answer
    x = 199,541.40

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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.