Finding the Fourth Proportional to 334,688.36, 461,479.68 and 249,657.80
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Solution
The fourth proportional to 334,688.36, 461,479.68 and 249,657.80 is: 344,236.65
Step by Step Solution
- Step 1: Write the proportion equation
334,688.36 : 461,479.68 = 249,657.80 : x - Step 2: Convert to fraction form
334,688.36/461,479.68 = 249,657.80/x - Step 3: Cross multiply
334,688.36x = 461,479.68 × 249,657.80 - Step 4: Simplify right side
334,688.36x = 115,211,999,346.11 - Step 5: Solve for x
x = 115,211,999,346.11/334,688.36 - Step 6: Final answer
x = 344,236.65
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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.