Finding the Fourth Proportional to 292,083.84, 438,499.44 and 247,990.75
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Solution
The fourth proportional to 292,083.84, 438,499.44 and 247,990.75 is: 372,303.39
Step by Step Solution
- Step 1: Write the proportion equation
292,083.84 : 438,499.44 = 247,990.75 : x - Step 2: Convert to fraction form
292,083.84/438,499.44 = 247,990.75/x - Step 3: Cross multiply
292,083.84x = 438,499.44 × 247,990.75 - Step 4: Simplify right side
292,083.84x = 108,743,803,903.93 - Step 5: Solve for x
x = 108,743,803,903.93/292,083.84 - Step 6: Final answer
x = 372,303.39
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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.