Home / 309,827.42-464,741.13-99,612.98

Finding the Fourth Proportional to 309,827.42, 464,741.13 and 99,612.98

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Solution

The fourth proportional to 309,827.42, 464,741.13 and 99,612.98 is: 149,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,827.42 : 464,741.13 = 99,612.98 : x
  2. Step 2: Convert to fraction form
    309,827.42/464,741.13 = 99,612.98/x
  3. Step 3: Cross multiply
    309,827.42x = 464,741.13 × 99,612.98
  4. Step 4: Simplify right side
    309,827.42x = 46,294,248,887.87
  5. Step 5: Solve for x
    x = 46,294,248,887.87/309,827.42
  6. Step 6: Final answer
    x = 149,419.47

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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.