Home / 430,823.70-646,264.35-146,510.10

Finding the Fourth Proportional to 430,823.70, 646,264.35 and 146,510.10

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Solution

The fourth proportional to 430,823.70, 646,264.35 and 146,510.10 is: 219,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,823.70 : 646,264.35 = 146,510.10 : x
  2. Step 2: Convert to fraction form
    430,823.70/646,264.35 = 146,510.10/x
  3. Step 3: Cross multiply
    430,823.70x = 646,264.35 × 146,510.10
  4. Step 4: Simplify right side
    430,823.70x = 94,684,254,544.94
  5. Step 5: Solve for x
    x = 94,684,254,544.94/430,823.70
  6. Step 6: Final answer
    x = 219,774.94

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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.