Home / 380,275.46-524,780.21-208,204.35

Finding the Fourth Proportional to 380,275.46, 524,780.21 and 208,204.35

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Solution

The fourth proportional to 380,275.46, 524,780.21 and 208,204.35 is: 287,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,275.46 : 524,780.21 = 208,204.35 : x
  2. Step 2: Convert to fraction form
    380,275.46/524,780.21 = 208,204.35/x
  3. Step 3: Cross multiply
    380,275.46x = 524,780.21 × 208,204.35
  4. Step 4: Simplify right side
    380,275.46x = 109,261,521,068.50
  5. Step 5: Solve for x
    x = 109,261,521,068.50/380,275.46
  6. Step 6: Final answer
    x = 287,322.04

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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.