Home / 423,127.02-634,379.49-201,666.54

Finding the Fourth Proportional to 423,127.02, 634,379.49 and 201,666.54

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Solution

The fourth proportional to 423,127.02, 634,379.49 and 201,666.54 is: 302,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,127.02 : 634,379.49 = 201,666.54 : x
  2. Step 2: Convert to fraction form
    423,127.02/634,379.49 = 201,666.54/x
  3. Step 3: Cross multiply
    423,127.02x = 634,379.49 × 201,666.54
  4. Step 4: Simplify right side
    423,127.02x = 127,933,116,795.27
  5. Step 5: Solve for x
    x = 127,933,116,795.27/423,127.02
  6. Step 6: Final answer
    x = 302,351.57

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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.