Home / 405,269.29-607,916.22-139,025.95

Finding the Fourth Proportional to 405,269.29, 607,916.22 and 139,025.95

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Solution

The fourth proportional to 405,269.29, 607,916.22 and 139,025.95 is: 208,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,269.29 : 607,916.22 = 139,025.95 : x
  2. Step 2: Convert to fraction form
    405,269.29/607,916.22 = 139,025.95/x
  3. Step 3: Cross multiply
    405,269.29x = 607,916.22 × 139,025.95
  4. Step 4: Simplify right side
    405,269.29x = 84,516,132,166.32
  5. Step 5: Solve for x
    x = 84,516,132,166.32/405,269.29
  6. Step 6: Final answer
    x = 208,543.14

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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.