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Finding the Fourth Proportional to 370,333.18, 510,873.51 and 242,991.10

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Solution

The fourth proportional to 370,333.18, 510,873.51 and 242,991.10 is: 335,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,333.18 : 510,873.51 = 242,991.10 : x
  2. Step 2: Convert to fraction form
    370,333.18/510,873.51 = 242,991.10/x
  3. Step 3: Cross multiply
    370,333.18x = 510,873.51 × 242,991.10
  4. Step 4: Simplify right side
    370,333.18x = 124,137,716,155.76
  5. Step 5: Solve for x
    x = 124,137,716,155.76/370,333.18
  6. Step 6: Final answer
    x = 335,205.49

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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.