Home / 355,722.02-491,061.81-210,482.13

Finding the Fourth Proportional to 355,722.02, 491,061.81 and 210,482.13

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Solution

The fourth proportional to 355,722.02, 491,061.81 and 210,482.13 is: 290,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,722.02 : 491,061.81 = 210,482.13 : x
  2. Step 2: Convert to fraction form
    355,722.02/491,061.81 = 210,482.13/x
  3. Step 3: Cross multiply
    355,722.02x = 491,061.81 × 210,482.13
  4. Step 4: Simplify right side
    355,722.02x = 103,359,735,730.46
  5. Step 5: Solve for x
    x = 103,359,735,730.46/355,722.02
  6. Step 6: Final answer
    x = 290,563.22

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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.