Home / 284,657.37-392,828.70-155,596.02

Finding the Fourth Proportional to 284,657.37, 392,828.70 and 155,596.02

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Solution

The fourth proportional to 284,657.37, 392,828.70 and 155,596.02 is: 214,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,657.37 : 392,828.70 = 155,596.02 : x
  2. Step 2: Convert to fraction form
    284,657.37/392,828.70 = 155,596.02/x
  3. Step 3: Cross multiply
    284,657.37x = 392,828.70 × 155,596.02
  4. Step 4: Simplify right side
    284,657.37x = 61,122,582,261.77
  5. Step 5: Solve for x
    x = 61,122,582,261.77/284,657.37
  6. Step 6: Final answer
    x = 214,723.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.