Home / 215,477.48-297,356.12-118,679.50

Finding the Fourth Proportional to 215,477.48, 297,356.12 and 118,679.50

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Solution

The fourth proportional to 215,477.48, 297,356.12 and 118,679.50 is: 163,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,477.48 : 297,356.12 = 118,679.50 : x
  2. Step 2: Convert to fraction form
    215,477.48/297,356.12 = 118,679.50/x
  3. Step 3: Cross multiply
    215,477.48x = 297,356.12 × 118,679.50
  4. Step 4: Simplify right side
    215,477.48x = 35,290,075,643.54
  5. Step 5: Solve for x
    x = 35,290,075,643.54/215,477.48
  6. Step 6: Final answer
    x = 163,776.17

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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.