Home / 368,916.45-553,374.80-284,799.42

Finding the Fourth Proportional to 368,916.45, 553,374.80 and 284,799.42

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Solution

The fourth proportional to 368,916.45, 553,374.80 and 284,799.42 is: 427,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,916.45 : 553,374.80 = 284,799.42 : x
  2. Step 2: Convert to fraction form
    368,916.45/553,374.80 = 284,799.42/x
  3. Step 3: Cross multiply
    368,916.45x = 553,374.80 × 284,799.42
  4. Step 4: Simplify right side
    368,916.45x = 157,600,820,658.62
  5. Step 5: Solve for x
    x = 157,600,820,658.62/368,916.45
  6. Step 6: Final answer
    x = 427,199.22

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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.