Home / 360,916.32-497,950.02-209,984.16

Finding the Fourth Proportional to 360,916.32, 497,950.02 and 209,984.16

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Solution

The fourth proportional to 360,916.32, 497,950.02 and 209,984.16 is: 289,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,916.32 : 497,950.02 = 209,984.16 : x
  2. Step 2: Convert to fraction form
    360,916.32/497,950.02 = 209,984.16/x
  3. Step 3: Cross multiply
    360,916.32x = 497,950.02 × 209,984.16
  4. Step 4: Simplify right side
    360,916.32x = 104,561,616,671.68
  5. Step 5: Solve for x
    x = 104,561,616,671.68/360,916.32
  6. Step 6: Final answer
    x = 289,711.52

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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.