Home / 916,019.73-1,374,041.28-242,095.21

Finding the Fourth Proportional to 916,019.73, 1,374,041.28 and 242,095.21

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Solution

The fourth proportional to 916,019.73, 1,374,041.28 and 242,095.21 is: 363,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,019.73 : 1,374,041.28 = 242,095.21 : x
  2. Step 2: Convert to fraction form
    916,019.73/1,374,041.28 = 242,095.21/x
  3. Step 3: Cross multiply
    916,019.73x = 1,374,041.28 × 242,095.21
  4. Step 4: Simplify right side
    916,019.73x = 332,648,808,795.17
  5. Step 5: Solve for x
    x = 332,648,808,795.17/916,019.73
  6. Step 6: Final answer
    x = 363,145.90

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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.