Home / 385,336.20-578,004.30-164,152.20

Finding the Fourth Proportional to 385,336.20, 578,004.30 and 164,152.20

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Solution

The fourth proportional to 385,336.20, 578,004.30 and 164,152.20 is: 246,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,336.20 : 578,004.30 = 164,152.20 : x
  2. Step 2: Convert to fraction form
    385,336.20/578,004.30 = 164,152.20/x
  3. Step 3: Cross multiply
    385,336.20x = 578,004.30 × 164,152.20
  4. Step 4: Simplify right side
    385,336.20x = 94,880,677,454.46
  5. Step 5: Solve for x
    x = 94,880,677,454.46/385,336.20
  6. Step 6: Final answer
    x = 246,228.30

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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.