Home / 475,262.39-712,838.12-190,941.46

Finding the Fourth Proportional to 475,262.39, 712,838.12 and 190,941.46

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Solution

The fourth proportional to 475,262.39, 712,838.12 and 190,941.46 is: 286,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,262.39 : 712,838.12 = 190,941.46 : x
  2. Step 2: Convert to fraction form
    475,262.39/712,838.12 = 190,941.46/x
  3. Step 3: Cross multiply
    475,262.39x = 712,838.12 × 190,941.46
  4. Step 4: Simplify right side
    475,262.39x = 136,110,348,639.65
  5. Step 5: Solve for x
    x = 136,110,348,639.65/475,262.39
  6. Step 6: Final answer
    x = 286,389.90

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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.