Home / 465,288.48-642,092.40-264,071.52

Finding the Fourth Proportional to 465,288.48, 642,092.40 and 264,071.52

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Solution

The fourth proportional to 465,288.48, 642,092.40 and 264,071.52 is: 364,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,288.48 : 642,092.40 = 264,071.52 : x
  2. Step 2: Convert to fraction form
    465,288.48/642,092.40 = 264,071.52/x
  3. Step 3: Cross multiply
    465,288.48x = 642,092.40 × 264,071.52
  4. Step 4: Simplify right side
    465,288.48x = 169,558,316,048.45
  5. Step 5: Solve for x
    x = 169,558,316,048.45/465,288.48
  6. Step 6: Final answer
    x = 364,415.46

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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.