Home / 371,404.08-512,569.35-210,287.52

Finding the Fourth Proportional to 371,404.08, 512,569.35 and 210,287.52

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Solution

The fourth proportional to 371,404.08, 512,569.35 and 210,287.52 is: 290,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,404.08 : 512,569.35 = 210,287.52 : x
  2. Step 2: Convert to fraction form
    371,404.08/512,569.35 = 210,287.52/x
  3. Step 3: Cross multiply
    371,404.08x = 512,569.35 × 210,287.52
  4. Step 4: Simplify right side
    371,404.08x = 107,786,937,439.51
  5. Step 5: Solve for x
    x = 107,786,937,439.51/371,404.08
  6. Step 6: Final answer
    x = 290,214.74

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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.