Finding the Fourth Proportional to 310,024.58, 465,080.61 and 99,591.98
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Solution
The fourth proportional to 310,024.58, 465,080.61 and 99,591.98 is: 149,402.02
Step by Step Solution
- Step 1: Write the proportion equation
310,024.58 : 465,080.61 = 99,591.98 : x - Step 2: Convert to fraction form
310,024.58/465,080.61 = 99,591.98/x - Step 3: Cross multiply
310,024.58x = 465,080.61 × 99,591.98 - Step 4: Simplify right side
310,024.58x = 46,318,298,809.51 - Step 5: Solve for x
x = 46,318,298,809.51/310,024.58 - Step 6: Final answer
x = 149,402.02
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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.