Home / 282,989.04-390,580.32-162,211.28

Finding the Fourth Proportional to 282,989.04, 390,580.32 and 162,211.28

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Solution

The fourth proportional to 282,989.04, 390,580.32 and 162,211.28 is: 223,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,989.04 : 390,580.32 = 162,211.28 : x
  2. Step 2: Convert to fraction form
    282,989.04/390,580.32 = 162,211.28/x
  3. Step 3: Cross multiply
    282,989.04x = 390,580.32 × 162,211.28
  4. Step 4: Simplify right side
    282,989.04x = 63,356,533,650.01
  5. Step 5: Solve for x
    x = 63,356,533,650.01/282,989.04
  6. Step 6: Final answer
    x = 223,883.35

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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.