Home / 304,827.03-420,866.70-190,280.07

Finding the Fourth Proportional to 304,827.03, 420,866.70 and 190,280.07

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Solution

The fourth proportional to 304,827.03, 420,866.70 and 190,280.07 is: 262,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,827.03 : 420,866.70 = 190,280.07 : x
  2. Step 2: Convert to fraction form
    304,827.03/420,866.70 = 190,280.07/x
  3. Step 3: Cross multiply
    304,827.03x = 420,866.70 × 190,280.07
  4. Step 4: Simplify right side
    304,827.03x = 80,082,545,136.67
  5. Step 5: Solve for x
    x = 80,082,545,136.67/304,827.03
  6. Step 6: Final answer
    x = 262,714.71

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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.