Finding the Fourth Proportional to 369,094.74, 509,350.74 and 199,328.88
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Solution
The fourth proportional to 369,094.74, 509,350.74 and 199,328.88 is: 275,073.85
Step by Step Solution
- Step 1: Write the proportion equation
369,094.74 : 509,350.74 = 199,328.88 : x - Step 2: Convert to fraction form
369,094.74/509,350.74 = 199,328.88/x - Step 3: Cross multiply
369,094.74x = 509,350.74 × 199,328.88 - Step 4: Simplify right side
369,094.74x = 101,528,312,531.37 - Step 5: Solve for x
x = 101,528,312,531.37/369,094.74 - Step 6: Final answer
x = 275,073.85
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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.