Home / 315,281.03-434,974.12-242,706.11

Finding the Fourth Proportional to 315,281.03, 434,974.12 and 242,706.11

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Solution

The fourth proportional to 315,281.03, 434,974.12 and 242,706.11 is: 334,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,281.03 : 434,974.12 = 242,706.11 : x
  2. Step 2: Convert to fraction form
    315,281.03/434,974.12 = 242,706.11/x
  3. Step 3: Cross multiply
    315,281.03x = 434,974.12 × 242,706.11
  4. Step 4: Simplify right side
    315,281.03x = 105,570,873,834.24
  5. Step 5: Solve for x
    x = 105,570,873,834.24/315,281.03
  6. Step 6: Final answer
    x = 334,846.90

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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.