Finding the Fourth Proportional to 468,478.42, 646,502.28 and 253,618.48
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Solution
The fourth proportional to 468,478.42, 646,502.28 and 253,618.48 is: 349,994.62
Step by Step Solution
- Step 1: Write the proportion equation
468,478.42 : 646,502.28 = 253,618.48 : x - Step 2: Convert to fraction form
468,478.42/646,502.28 = 253,618.48/x - Step 3: Cross multiply
468,478.42x = 646,502.28 × 253,618.48 - Step 4: Simplify right side
468,478.42x = 163,964,925,570.13 - Step 5: Solve for x
x = 163,964,925,570.13/468,478.42 - Step 6: Final answer
x = 349,994.62
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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.