Home / 380,846.48-525,329.15-245,056.86

Finding the Fourth Proportional to 380,846.48, 525,329.15 and 245,056.86

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Solution

The fourth proportional to 380,846.48, 525,329.15 and 245,056.86 is: 338,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,846.48 : 525,329.15 = 245,056.86 : x
  2. Step 2: Convert to fraction form
    380,846.48/525,329.15 = 245,056.86/x
  3. Step 3: Cross multiply
    380,846.48x = 525,329.15 × 245,056.86
  4. Step 4: Simplify right side
    380,846.48x = 128,735,510,740.19
  5. Step 5: Solve for x
    x = 128,735,510,740.19/380,846.48
  6. Step 6: Final answer
    x = 338,024.69

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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.