Finding the Fourth Proportional to 468,449.55, 646,455.96 and 253,584.09
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Solution
The fourth proportional to 468,449.55, 646,455.96 and 253,584.09 is: 349,943.65
Step by Step Solution
- Step 1: Write the proportion equation
468,449.55 : 646,455.96 = 253,584.09 : x - Step 2: Convert to fraction form
468,449.55/646,455.96 = 253,584.09/x - Step 3: Cross multiply
468,449.55x = 646,455.96 × 253,584.09 - Step 4: Simplify right side
468,449.55x = 163,930,946,341.68 - Step 5: Solve for x
x = 163,930,946,341.68/468,449.55 - Step 6: Final answer
x = 349,943.65
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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.