Finding the Fourth Proportional to 388,816.63, 583,224.95 and 93,328.63
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Solution
The fourth proportional to 388,816.63, 583,224.95 and 93,328.63 is: 139,992.95
Step by Step Solution
- Step 1: Write the proportion equation
388,816.63 : 583,224.95 = 93,328.63 : x - Step 2: Convert to fraction form
388,816.63/583,224.95 = 93,328.63/x - Step 3: Cross multiply
388,816.63x = 583,224.95 × 93,328.63 - Step 4: Simplify right side
388,816.63x = 54,431,585,565.32 - Step 5: Solve for x
x = 54,431,585,565.32/388,816.63 - Step 6: Final answer
x = 139,992.95
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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.