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Finding the Fourth Proportional to 450,108.10, 620,152.23 and 296,875.90

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Solution

The fourth proportional to 450,108.10, 620,152.23 and 296,875.90 is: 409,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,108.10 : 620,152.23 = 296,875.90 : x
  2. Step 2: Convert to fraction form
    450,108.10/620,152.23 = 296,875.90/x
  3. Step 3: Cross multiply
    450,108.10x = 620,152.23 × 296,875.90
  4. Step 4: Simplify right side
    450,108.10x = 184,108,251,418.26
  5. Step 5: Solve for x
    x = 184,108,251,418.26/450,108.10
  6. Step 6: Final answer
    x = 409,031.19

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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.