Home / 238,038.09-328,502.84-142,526.54

Finding the Fourth Proportional to 238,038.09, 328,502.84 and 142,526.54

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Solution

The fourth proportional to 238,038.09, 328,502.84 and 142,526.54 is: 196,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,038.09 : 328,502.84 = 142,526.54 : x
  2. Step 2: Convert to fraction form
    238,038.09/328,502.84 = 142,526.54/x
  3. Step 3: Cross multiply
    238,038.09x = 328,502.84 × 142,526.54
  4. Step 4: Simplify right side
    238,038.09x = 46,820,370,810.23
  5. Step 5: Solve for x
    x = 46,820,370,810.23/238,038.09
  6. Step 6: Final answer
    x = 196,692.77

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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.