Home / 255,000.36-382,513.02-97,199.40

Finding the Fourth Proportional to 255,000.36, 382,513.02 and 97,199.40

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Solution

The fourth proportional to 255,000.36, 382,513.02 and 97,199.40 is: 145,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,000.36 : 382,513.02 = 97,199.40 : x
  2. Step 2: Convert to fraction form
    255,000.36/382,513.02 = 97,199.40/x
  3. Step 3: Cross multiply
    255,000.36x = 382,513.02 × 97,199.40
  4. Step 4: Simplify right side
    255,000.36x = 37,180,036,036.19
  5. Step 5: Solve for x
    x = 37,180,036,036.19/255,000.36
  6. Step 6: Final answer
    x = 145,803.86

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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.