Home / 278,827.34-384,784.07-151,502.93

Finding the Fourth Proportional to 278,827.34, 384,784.07 and 151,502.93

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Solution

The fourth proportional to 278,827.34, 384,784.07 and 151,502.93 is: 209,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,827.34 : 384,784.07 = 151,502.93 : x
  2. Step 2: Convert to fraction form
    278,827.34/384,784.07 = 151,502.93/x
  3. Step 3: Cross multiply
    278,827.34x = 384,784.07 × 151,502.93
  4. Step 4: Simplify right side
    278,827.34x = 58,295,914,022.33
  5. Step 5: Solve for x
    x = 58,295,914,022.33/278,827.34
  6. Step 6: Final answer
    x = 209,075.32

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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.