Finding the Fourth Proportional to 305,254.19, 457,970.81 and 136,737.03
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Solution
The fourth proportional to 305,254.19, 457,970.81 and 136,737.03 is: 205,145.65
Step by Step Solution
- Step 1: Write the proportion equation
305,254.19 : 457,970.81 = 136,737.03 : x - Step 2: Convert to fraction form
305,254.19/457,970.81 = 136,737.03/x - Step 3: Cross multiply
305,254.19x = 457,970.81 × 136,737.03 - Step 4: Simplify right side
305,254.19x = 62,621,567,702.41 - Step 5: Solve for x
x = 62,621,567,702.41/305,254.19 - Step 6: Final answer
x = 205,145.65
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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.