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Finding the Fourth Proportional to 379,702.07, 569,271.89 and 229,907.15

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Solution

The fourth proportional to 379,702.07, 569,271.89 and 229,907.15 is: 344,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702.07 : 569,271.89 = 229,907.15 : x
  2. Step 2: Convert to fraction form
    379,702.07/569,271.89 = 229,907.15/x
  3. Step 3: Cross multiply
    379,702.07x = 569,271.89 × 229,907.15
  4. Step 4: Simplify right side
    379,702.07x = 130,879,675,533.42
  5. Step 5: Solve for x
    x = 130,879,675,533.42/379,702.07
  6. Step 6: Final answer
    x = 344,690.45

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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.