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Finding the Fourth Proportional to 442,727.01, 610,916.13 and 249,131.34

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Solution

The fourth proportional to 442,727.01, 610,916.13 and 249,131.34 is: 343,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,727.01 : 610,916.13 = 249,131.34 : x
  2. Step 2: Convert to fraction form
    442,727.01/610,916.13 = 249,131.34/x
  3. Step 3: Cross multiply
    442,727.01x = 610,916.13 × 249,131.34
  4. Step 4: Simplify right side
    442,727.01x = 152,198,354,094.51
  5. Step 5: Solve for x
    x = 152,198,354,094.51/442,727.01
  6. Step 6: Final answer
    x = 343,774.72

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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.