Home / 315,075.32-472,422.54-125,564.84

Finding the Fourth Proportional to 315,075.32, 472,422.54 and 125,564.84

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Solution

The fourth proportional to 315,075.32, 472,422.54 and 125,564.84 is: 188,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,075.32 : 472,422.54 = 125,564.84 : x
  2. Step 2: Convert to fraction form
    315,075.32/472,422.54 = 125,564.84/x
  3. Step 3: Cross multiply
    315,075.32x = 472,422.54 × 125,564.84
  4. Step 4: Simplify right side
    315,075.32x = 59,319,660,647.49
  5. Step 5: Solve for x
    x = 59,319,660,647.49/315,075.32
  6. Step 6: Final answer
    x = 188,271.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.