Home / 371,235.20-556,852.80-134,577.60

Finding the Fourth Proportional to 371,235.20, 556,852.80 and 134,577.60

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Solution

The fourth proportional to 371,235.20, 556,852.80 and 134,577.60 is: 201,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,235.20 : 556,852.80 = 134,577.60 : x
  2. Step 2: Convert to fraction form
    371,235.20/556,852.80 = 134,577.60/x
  3. Step 3: Cross multiply
    371,235.20x = 556,852.80 × 134,577.60
  4. Step 4: Simplify right side
    371,235.20x = 74,939,913,377.28
  5. Step 5: Solve for x
    x = 74,939,913,377.28/371,235.20
  6. Step 6: Final answer
    x = 201,866.40

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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.