Home / 434,583.36-651,888.72-135,065.52

Finding the Fourth Proportional to 434,583.36, 651,888.72 and 135,065.52

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Solution

The fourth proportional to 434,583.36, 651,888.72 and 135,065.52 is: 202,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,583.36 : 651,888.72 = 135,065.52 : x
  2. Step 2: Convert to fraction form
    434,583.36/651,888.72 = 135,065.52/x
  3. Step 3: Cross multiply
    434,583.36x = 651,888.72 × 135,065.52
  4. Step 4: Simplify right side
    434,583.36x = 88,047,688,948.93
  5. Step 5: Solve for x
    x = 88,047,688,948.93/434,583.36
  6. Step 6: Final answer
    x = 202,602.53

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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.