Finding the Fourth Proportional to 468,518.18, 646,554.15 and 253,658.39
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Solution
The fourth proportional to 468,518.18, 646,554.15 and 253,658.39 is: 350,048.07
Step by Step Solution
- Step 1: Write the proportion equation
468,518.18 : 646,554.15 = 253,658.39 : x - Step 2: Convert to fraction form
468,518.18/646,554.15 = 253,658.39/x - Step 3: Cross multiply
468,518.18x = 646,554.15 × 253,658.39 - Step 4: Simplify right side
468,518.18x = 164,003,881,504.05 - Step 5: Solve for x
x = 164,003,881,504.05/468,518.18 - Step 6: Final answer
x = 350,048.07
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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.