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Finding the Fourth Proportional to 423,944.88, 585,050.76 and 242,656.08

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Solution

The fourth proportional to 423,944.88, 585,050.76 and 242,656.08 is: 334,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,944.88 : 585,050.76 = 242,656.08 : x
  2. Step 2: Convert to fraction form
    423,944.88/585,050.76 = 242,656.08/x
  3. Step 3: Cross multiply
    423,944.88x = 585,050.76 × 242,656.08
  4. Step 4: Simplify right side
    423,944.88x = 141,966,124,022.62
  5. Step 5: Solve for x
    x = 141,966,124,022.62/423,944.88
  6. Step 6: Final answer
    x = 334,869.30

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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.