Home / 291,055.02-436,582.63-130,943.97

Finding the Fourth Proportional to 291,055.02, 436,582.63 and 130,943.97

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Solution

The fourth proportional to 291,055.02, 436,582.63 and 130,943.97 is: 196,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,055.02 : 436,582.63 = 130,943.97 : x
  2. Step 2: Convert to fraction form
    291,055.02/436,582.63 = 130,943.97/x
  3. Step 3: Cross multiply
    291,055.02x = 436,582.63 × 130,943.97
  4. Step 4: Simplify right side
    291,055.02x = 57,167,862,968.92
  5. Step 5: Solve for x
    x = 57,167,862,968.92/291,055.02
  6. Step 6: Final answer
    x = 196,416.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.