Home / 388,730.16-583,095.36-300,113.04

Finding the Fourth Proportional to 388,730.16, 583,095.36 and 300,113.04

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Solution

The fourth proportional to 388,730.16, 583,095.36 and 300,113.04 is: 450,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,730.16 : 583,095.36 = 300,113.04 : x
  2. Step 2: Convert to fraction form
    388,730.16/583,095.36 = 300,113.04/x
  3. Step 3: Cross multiply
    388,730.16x = 583,095.36 × 300,113.04
  4. Step 4: Simplify right side
    388,730.16x = 174,994,521,099.49
  5. Step 5: Solve for x
    x = 174,994,521,099.49/388,730.16
  6. Step 6: Final answer
    x = 450,169.65

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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.