Home / 314,655.48-434,075.67-212,716.62

Finding the Fourth Proportional to 314,655.48, 434,075.67 and 212,716.62

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Solution

The fourth proportional to 314,655.48, 434,075.67 and 212,716.62 is: 293,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,655.48 : 434,075.67 = 212,716.62 : x
  2. Step 2: Convert to fraction form
    314,655.48/434,075.67 = 212,716.62/x
  3. Step 3: Cross multiply
    314,655.48x = 434,075.67 × 212,716.62
  4. Step 4: Simplify right side
    314,655.48x = 92,335,109,346.64
  5. Step 5: Solve for x
    x = 92,335,109,346.64/314,655.48
  6. Step 6: Final answer
    x = 293,448.28

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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.