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Finding the Fourth Proportional to 606,943.36, 910,292.16 and 163,607.68

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Solution

The fourth proportional to 606,943.36, 910,292.16 and 163,607.68 is: 245,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,943.36 : 910,292.16 = 163,607.68 : x
  2. Step 2: Convert to fraction form
    606,943.36/910,292.16 = 163,607.68/x
  3. Step 3: Cross multiply
    606,943.36x = 910,292.16 × 163,607.68
  4. Step 4: Simplify right side
    606,943.36x = 148,930,788,419.79
  5. Step 5: Solve for x
    x = 148,930,788,419.79/606,943.36
  6. Step 6: Final answer
    x = 245,378.40

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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.