Home / 291,935.25-402,870.69-157,799.25

Finding the Fourth Proportional to 291,935.25, 402,870.69 and 157,799.25

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Solution

The fourth proportional to 291,935.25, 402,870.69 and 157,799.25 is: 217,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935.25 : 402,870.69 = 157,799.25 : x
  2. Step 2: Convert to fraction form
    291,935.25/402,870.69 = 157,799.25/x
  3. Step 3: Cross multiply
    291,935.25x = 402,870.69 × 157,799.25
  4. Step 4: Simplify right side
    291,935.25x = 63,572,692,728.98
  5. Step 5: Solve for x
    x = 63,572,692,728.98/291,935.25
  6. Step 6: Final answer
    x = 217,762.99

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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.