Home / 507,178.68-760,842.20-152,220.76

Finding the Fourth Proportional to 507,178.68, 760,842.20 and 152,220.76

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Solution

The fourth proportional to 507,178.68, 760,842.20 and 152,220.76 is: 228,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,178.68 : 760,842.20 = 152,220.76 : x
  2. Step 2: Convert to fraction form
    507,178.68/760,842.20 = 152,220.76/x
  3. Step 3: Cross multiply
    507,178.68x = 760,842.20 × 152,220.76
  4. Step 4: Simplify right side
    507,178.68x = 115,815,977,924.07
  5. Step 5: Solve for x
    x = 115,815,977,924.07/507,178.68
  6. Step 6: Final answer
    x = 228,353.40

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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.