Home / 328,731.28-492,802.08-118,222

Finding the Fourth Proportional to 328,731.28, 492,802.08 and 118,222

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Solution

The fourth proportional to 328,731.28, 492,802.08 and 118,222 is: 177,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,731.28 : 492,802.08 = 118,222 : x
  2. Step 2: Convert to fraction form
    328,731.28/492,802.08 = 118,222/x
  3. Step 3: Cross multiply
    328,731.28x = 492,802.08 × 118,222
  4. Step 4: Simplify right side
    328,731.28x = 58,260,047,501.76
  5. Step 5: Solve for x
    x = 58,260,047,501.76/328,731.28
  6. Step 6: Final answer
    x = 177,226.97

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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.