Home / 205,075.40-307,584.30-64,848.20

Finding the Fourth Proportional to 205,075.40, 307,584.30 and 64,848.20

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Solution

The fourth proportional to 205,075.40, 307,584.30 and 64,848.20 is: 97,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,075.40 : 307,584.30 = 64,848.20 : x
  2. Step 2: Convert to fraction form
    205,075.40/307,584.30 = 64,848.20/x
  3. Step 3: Cross multiply
    205,075.40x = 307,584.30 × 64,848.20
  4. Step 4: Simplify right side
    205,075.40x = 19,946,288,203.26
  5. Step 5: Solve for x
    x = 19,946,288,203.26/205,075.40
  6. Step 6: Final answer
    x = 97,263.19

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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.