Home / 371,835.65-513,133.02-202,069.77

Finding the Fourth Proportional to 371,835.65, 513,133.02 and 202,069.77

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Solution

The fourth proportional to 371,835.65, 513,133.02 and 202,069.77 is: 278,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,835.65 : 513,133.02 = 202,069.77 : x
  2. Step 2: Convert to fraction form
    371,835.65/513,133.02 = 202,069.77/x
  3. Step 3: Cross multiply
    371,835.65x = 513,133.02 × 202,069.77
  4. Step 4: Simplify right side
    371,835.65x = 103,688,671,330.81
  5. Step 5: Solve for x
    x = 103,688,671,330.81/371,835.65
  6. Step 6: Final answer
    x = 278,856.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.