Home / 339,475.19-468,280.88-211,929.35

Finding the Fourth Proportional to 339,475.19, 468,280.88 and 211,929.35

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Solution

The fourth proportional to 339,475.19, 468,280.88 and 211,929.35 is: 292,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,475.19 : 468,280.88 = 211,929.35 : x
  2. Step 2: Convert to fraction form
    339,475.19/468,280.88 = 211,929.35/x
  3. Step 3: Cross multiply
    339,475.19x = 468,280.88 × 211,929.35
  4. Step 4: Simplify right side
    339,475.19x = 99,242,459,909.51
  5. Step 5: Solve for x
    x = 99,242,459,909.51/339,475.19
  6. Step 6: Final answer
    x = 292,340.84

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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.