Home / 475,264.02-712,840.56-190,943.08

Finding the Fourth Proportional to 475,264.02, 712,840.56 and 190,943.08

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Solution

The fourth proportional to 475,264.02, 712,840.56 and 190,943.08 is: 286,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,264.02 : 712,840.56 = 190,943.08 : x
  2. Step 2: Convert to fraction form
    475,264.02/712,840.56 = 190,943.08/x
  3. Step 3: Cross multiply
    475,264.02x = 712,840.56 × 190,943.08
  4. Step 4: Simplify right side
    475,264.02x = 136,111,972,075.33
  5. Step 5: Solve for x
    x = 136,111,972,075.33/475,264.02
  6. Step 6: Final answer
    x = 286,392.33

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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.