Home / 380,441.81-525,026.21-210,675.94

Finding the Fourth Proportional to 380,441.81, 525,026.21 and 210,675.94

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Solution

The fourth proportional to 380,441.81, 525,026.21 and 210,675.94 is: 290,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,441.81 : 525,026.21 = 210,675.94 : x
  2. Step 2: Convert to fraction form
    380,441.81/525,026.21 = 210,675.94/x
  3. Step 3: Cross multiply
    380,441.81x = 525,026.21 × 210,675.94
  4. Step 4: Simplify right side
    380,441.81x = 110,610,387,950.44
  5. Step 5: Solve for x
    x = 110,610,387,950.44/380,441.81
  6. Step 6: Final answer
    x = 290,741.93

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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.