Finding the Fourth Proportional to 439,764.80, 606,890.08 and 258,474.08
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Solution
The fourth proportional to 439,764.80, 606,890.08 and 258,474.08 is: 356,702.84
Step by Step Solution
- Step 1: Write the proportion equation
439,764.80 : 606,890.08 = 258,474.08 : x - Step 2: Convert to fraction form
439,764.80/606,890.08 = 258,474.08/x - Step 3: Cross multiply
439,764.80x = 606,890.08 × 258,474.08 - Step 4: Simplify right side
439,764.80x = 156,865,355,089.13 - Step 5: Solve for x
x = 156,865,355,089.13/439,764.80 - Step 6: Final answer
x = 356,702.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.