Finding the Fourth Proportional to 408,177.36, 612,421.68 and 368,597.52
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Solution
The fourth proportional to 408,177.36, 612,421.68 and 368,597.52 is: 553,036.83
Step by Step Solution
- Step 1: Write the proportion equation
408,177.36 : 612,421.68 = 368,597.52 : x - Step 2: Convert to fraction form
408,177.36/612,421.68 = 368,597.52/x - Step 3: Cross multiply
408,177.36x = 612,421.68 × 368,597.52 - Step 4: Simplify right side
408,177.36x = 225,737,112,442.23 - Step 5: Solve for x
x = 225,737,112,442.23/408,177.36 - Step 6: Final answer
x = 553,036.83
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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.