Finding the Fourth Proportional to 343,415.46, 474,012.18 and 207,427.80
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Solution
The fourth proportional to 343,415.46, 474,012.18 and 207,427.80 is: 286,310.07
Step by Step Solution
- Step 1: Write the proportion equation
343,415.46 : 474,012.18 = 207,427.80 : x - Step 2: Convert to fraction form
343,415.46/474,012.18 = 207,427.80/x - Step 3: Cross multiply
343,415.46x = 474,012.18 × 207,427.80 - Step 4: Simplify right side
343,415.46x = 98,323,303,670.60 - Step 5: Solve for x
x = 98,323,303,670.60/343,415.46 - Step 6: Final answer
x = 286,310.07
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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.