Home / 286,533.20-429,799.80-144,815.60

Finding the Fourth Proportional to 286,533.20, 429,799.80 and 144,815.60

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Solution

The fourth proportional to 286,533.20, 429,799.80 and 144,815.60 is: 217,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,533.20 : 429,799.80 = 144,815.60 : x
  2. Step 2: Convert to fraction form
    286,533.20/429,799.80 = 144,815.60/x
  3. Step 3: Cross multiply
    286,533.20x = 429,799.80 × 144,815.60
  4. Step 4: Simplify right side
    286,533.20x = 62,241,715,916.88
  5. Step 5: Solve for x
    x = 62,241,715,916.88/286,533.20
  6. Step 6: Final answer
    x = 217,223.40

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1.5x scale

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.