Finding the Fourth Proportional to 468,474.96, 646,495.68 and 253,615.02
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Solution
The fourth proportional to 468,474.96, 646,495.68 and 253,615.02 is: 349,988.85
Step by Step Solution
- Step 1: Write the proportion equation
468,474.96 : 646,495.68 = 253,615.02 : x - Step 2: Convert to fraction form
468,474.96/646,495.68 = 253,615.02/x - Step 3: Cross multiply
468,474.96x = 646,495.68 × 253,615.02 - Step 4: Simplify right side
468,474.96x = 163,961,014,813.11 - Step 5: Solve for x
x = 163,961,014,813.11/468,474.96 - Step 6: Final answer
x = 349,988.85
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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.