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Finding the Fourth Proportional to 510,111.40, 764,292.30 and 243,297.40

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Solution

The fourth proportional to 510,111.40, 764,292.30 and 243,297.40 is: 364,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,111.40 : 764,292.30 = 243,297.40 : x
  2. Step 2: Convert to fraction form
    510,111.40/764,292.30 = 243,297.40/x
  3. Step 3: Cross multiply
    510,111.40x = 764,292.30 × 243,297.40
  4. Step 4: Simplify right side
    510,111.40x = 185,950,329,430.02
  5. Step 5: Solve for x
    x = 185,950,329,430.02/510,111.40
  6. Step 6: Final answer
    x = 364,528.86

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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.