Home / 670,025.07-1,005,075.93-190,215.36

Finding the Fourth Proportional to 670,025.07, 1,005,075.93 and 190,215.36

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Solution

The fourth proportional to 670,025.07, 1,005,075.93 and 190,215.36 is: 285,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,025.07 : 1,005,075.93 = 190,215.36 : x
  2. Step 2: Convert to fraction form
    670,025.07/1,005,075.93 = 190,215.36/x
  3. Step 3: Cross multiply
    670,025.07x = 1,005,075.93 × 190,215.36
  4. Step 4: Simplify right side
    670,025.07x = 191,180,879,852.29
  5. Step 5: Solve for x
    x = 191,180,879,852.29/670,025.07
  6. Step 6: Final answer
    x = 285,333.92

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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.