Finding the Fourth Proportional to 468,267.97, 646,211.43 and 253,407.98
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Solution
The fourth proportional to 468,267.97, 646,211.43 and 253,407.98 is: 349,703.90
Step by Step Solution
- Step 1: Write the proportion equation
468,267.97 : 646,211.43 = 253,407.98 : x - Step 2: Convert to fraction form
468,267.97/646,211.43 = 253,407.98/x - Step 3: Cross multiply
468,267.97x = 646,211.43 × 253,407.98 - Step 4: Simplify right side
468,267.97x = 163,755,133,129.21 - Step 5: Solve for x
x = 163,755,133,129.21/468,267.97 - Step 6: Final answer
x = 349,703.90
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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.