Home / 382,767.10-528,214.44-210,681.34

Finding the Fourth Proportional to 382,767.10, 528,214.44 and 210,681.34

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Solution

The fourth proportional to 382,767.10, 528,214.44 and 210,681.34 is: 290,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,767.10 : 528,214.44 = 210,681.34 : x
  2. Step 2: Convert to fraction form
    382,767.10/528,214.44 = 210,681.34/x
  3. Step 3: Cross multiply
    382,767.10x = 528,214.44 × 210,681.34
  4. Step 4: Simplify right side
    382,767.10x = 111,284,926,026.55
  5. Step 5: Solve for x
    x = 111,284,926,026.55/382,767.10
  6. Step 6: Final answer
    x = 290,737.96

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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.