Finding the Fourth Proportional to 312,280.68, 468,133.98 and 112,552.18
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Solution
The fourth proportional to 312,280.68, 468,133.98 and 112,552.18 is: 168,724.82
Step by Step Solution
- Step 1: Write the proportion equation
312,280.68 : 468,133.98 = 112,552.18 : x - Step 2: Convert to fraction form
312,280.68/468,133.98 = 112,552.18/x - Step 3: Cross multiply
312,280.68x = 468,133.98 × 112,552.18 - Step 4: Simplify right side
312,280.68x = 52,689,499,981.08 - Step 5: Solve for x
x = 52,689,499,981.08/312,280.68 - Step 6: Final answer
x = 168,724.82
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1.5x scale
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.