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Finding the Fourth Proportional to 501,646, 692,271.48 and 275,291.50

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Solution

The fourth proportional to 501,646, 692,271.48 and 275,291.50 is: 379,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,646 : 692,271.48 = 275,291.50 : x
  2. Step 2: Convert to fraction form
    501,646/692,271.48 = 275,291.50/x
  3. Step 3: Cross multiply
    501,646x = 692,271.48 × 275,291.50
  4. Step 4: Simplify right side
    501,646x = 190,576,454,136.42
  5. Step 5: Solve for x
    x = 190,576,454,136.42/501,646
  6. Step 6: Final answer
    x = 379,902.27

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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.