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Finding the Fourth Proportional to 380,646.95, 525,054.96 and 244,857.74

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Solution

The fourth proportional to 380,646.95, 525,054.96 and 244,857.74 is: 337,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,646.95 : 525,054.96 = 244,857.74 : x
  2. Step 2: Convert to fraction form
    380,646.95/525,054.96 = 244,857.74/x
  3. Step 3: Cross multiply
    380,646.95x = 525,054.96 × 244,857.74
  4. Step 4: Simplify right side
    380,646.95x = 128,563,768,256.12
  5. Step 5: Solve for x
    x = 128,563,768,256.12/380,646.95
  6. Step 6: Final answer
    x = 337,750.69

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1.5x scale

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.