Finding the Fourth Proportional to 637,285.68, 879,479.28 and 350,832.40
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Solution
The fourth proportional to 637,285.68, 879,479.28 and 350,832.40 is: 484,162.50
Step by Step Solution
- Step 1: Write the proportion equation
637,285.68 : 879,479.28 = 350,832.40 : x - Step 2: Convert to fraction form
637,285.68/879,479.28 = 350,832.40/x - Step 3: Cross multiply
637,285.68x = 879,479.28 × 350,832.40 - Step 4: Simplify right side
637,285.68x = 308,549,826,552.67 - Step 5: Solve for x
x = 308,549,826,552.67/637,285.68 - Step 6: Final answer
x = 484,162.50
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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.