Finding the Fourth Proportional to 310,545.09, 465,817.74 and 97,329.54
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Solution
The fourth proportional to 310,545.09, 465,817.74 and 97,329.54 is: 145,994.35
Step by Step Solution
- Step 1: Write the proportion equation
310,545.09 : 465,817.74 = 97,329.54 : x - Step 2: Convert to fraction form
310,545.09/465,817.74 = 97,329.54/x - Step 3: Cross multiply
310,545.09x = 465,817.74 × 97,329.54 - Step 4: Simplify right side
310,545.09x = 45,337,827,932.13 - Step 5: Solve for x
x = 45,337,827,932.13/310,545.09 - Step 6: Final answer
x = 145,994.35
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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.