Finding the Fourth Proportional to 459,521.08, 634,045.22 and 268,497.55
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Solution
The fourth proportional to 459,521.08, 634,045.22 and 268,497.55 is: 370,471.77
Step by Step Solution
- Step 1: Write the proportion equation
459,521.08 : 634,045.22 = 268,497.55 : x - Step 2: Convert to fraction form
459,521.08/634,045.22 = 268,497.55/x - Step 3: Cross multiply
459,521.08x = 634,045.22 × 268,497.55 - Step 4: Simplify right side
459,521.08x = 170,239,584,988.99 - Step 5: Solve for x
x = 170,239,584,988.99/459,521.08 - Step 6: Final answer
x = 370,471.77
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1.5x scale
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.