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Finding the Fourth Proportional to 383,975.68, 575,897.88 and 103,427.32

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Solution

The fourth proportional to 383,975.68, 575,897.88 and 103,427.32 is: 155,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,975.68 : 575,897.88 = 103,427.32 : x
  2. Step 2: Convert to fraction form
    383,975.68/575,897.88 = 103,427.32/x
  3. Step 3: Cross multiply
    383,975.68x = 575,897.88 × 103,427.32
  4. Step 4: Simplify right side
    383,975.68x = 59,563,574,322.08
  5. Step 5: Solve for x
    x = 59,563,574,322.08/383,975.68
  6. Step 6: Final answer
    x = 155,123.30

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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.