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Finding the Fourth Proportional to 328,225.83, 492,141.84 and 150,510.21

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Solution

The fourth proportional to 328,225.83, 492,141.84 and 150,510.21 is: 225,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,225.83 : 492,141.84 = 150,510.21 : x
  2. Step 2: Convert to fraction form
    328,225.83/492,141.84 = 150,510.21/x
  3. Step 3: Cross multiply
    328,225.83x = 492,141.84 × 150,510.21
  4. Step 4: Simplify right side
    328,225.83x = 74,072,371,688.19
  5. Step 5: Solve for x
    x = 74,072,371,688.19/328,225.83
  6. Step 6: Final answer
    x = 225,675.02

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1.5x scale

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.