Finding the Fourth Proportional to 389,122.80, 583,252.20 and 152,386.80
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Solution
The fourth proportional to 389,122.80, 583,252.20 and 152,386.80 is: 228,411.02
Step by Step Solution
- Step 1: Write the proportion equation
389,122.80 : 583,252.20 = 152,386.80 : x - Step 2: Convert to fraction form
389,122.80/583,252.20 = 152,386.80/x - Step 3: Cross multiply
389,122.80x = 583,252.20 × 152,386.80 - Step 4: Simplify right side
389,122.80x = 88,879,936,350.96 - Step 5: Solve for x
x = 88,879,936,350.96/389,122.80 - Step 6: Final answer
x = 228,411.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.