Finding the Fourth Proportional to 715,248.36, 1,072,205.70 and 241,602.60
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Solution
The fourth proportional to 715,248.36, 1,072,205.70 and 241,602.60 is: 362,178.65
Step by Step Solution
- Step 1: Write the proportion equation
715,248.36 : 1,072,205.70 = 241,602.60 : x - Step 2: Convert to fraction form
715,248.36/1,072,205.70 = 241,602.60/x - Step 3: Cross multiply
715,248.36x = 1,072,205.70 × 241,602.60 - Step 4: Simplify right side
715,248.36x = 259,047,684,854.82 - Step 5: Solve for x
x = 259,047,684,854.82/715,248.36 - Step 6: Final answer
x = 362,178.65
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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.