Home / 349,320.06-523,929.06-171,779.40

Finding the Fourth Proportional to 349,320.06, 523,929.06 and 171,779.40

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Solution

The fourth proportional to 349,320.06, 523,929.06 and 171,779.40 is: 257,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,320.06 : 523,929.06 = 171,779.40 : x
  2. Step 2: Convert to fraction form
    349,320.06/523,929.06 = 171,779.40/x
  3. Step 3: Cross multiply
    349,320.06x = 523,929.06 × 171,779.40
  4. Step 4: Simplify right side
    349,320.06x = 90,000,219,569.36
  5. Step 5: Solve for x
    x = 90,000,219,569.36/349,320.06
  6. Step 6: Final answer
    x = 257,644.01

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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.