Home / 278,840.02-384,798.27-158,004.35

Finding the Fourth Proportional to 278,840.02, 384,798.27 and 158,004.35

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Solution

The fourth proportional to 278,840.02, 384,798.27 and 158,004.35 is: 218,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,840.02 : 384,798.27 = 158,004.35 : x
  2. Step 2: Convert to fraction form
    278,840.02/384,798.27 = 158,004.35/x
  3. Step 3: Cross multiply
    278,840.02x = 384,798.27 × 158,004.35
  4. Step 4: Simplify right side
    278,840.02x = 60,799,799,117.36
  5. Step 5: Solve for x
    x = 60,799,799,117.36/278,840.02
  6. Step 6: Final answer
    x = 218,045.46

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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.