Home / 311,569.64-429,966.32-168,329.64

Finding the Fourth Proportional to 311,569.64, 429,966.32 and 168,329.64

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Solution

The fourth proportional to 311,569.64, 429,966.32 and 168,329.64 is: 232,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,569.64 : 429,966.32 = 168,329.64 : x
  2. Step 2: Convert to fraction form
    311,569.64/429,966.32 = 168,329.64/x
  3. Step 3: Cross multiply
    311,569.64x = 429,966.32 × 168,329.64
  4. Step 4: Simplify right side
    311,569.64x = 72,376,075,857.72
  5. Step 5: Solve for x
    x = 72,376,075,857.72/311,569.64
  6. Step 6: Final answer
    x = 232,295.02

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1.5x scale

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.