Finding the Fourth Proportional to 310,372.95, 465,885.20 and 275,060.19
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Solution
The fourth proportional to 310,372.95, 465,885.20 and 275,060.19 is: 412,878.99
Step by Step Solution
- Step 1: Write the proportion equation
310,372.95 : 465,885.20 = 275,060.19 : x - Step 2: Convert to fraction form
310,372.95/465,885.20 = 275,060.19/x - Step 3: Cross multiply
310,372.95x = 465,885.20 × 275,060.19 - Step 4: Simplify right side
310,372.95x = 128,146,470,254.89 - Step 5: Solve for x
x = 128,146,470,254.89/310,372.95 - Step 6: Final answer
x = 412,878.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.