Finding the Fourth Proportional to 249,719.69, 344,612.68 and 134,998.38
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Solution
The fourth proportional to 249,719.69, 344,612.68 and 134,998.38 is: 186,297.50
Step by Step Solution
- Step 1: Write the proportion equation
249,719.69 : 344,612.68 = 134,998.38 : x - Step 2: Convert to fraction form
249,719.69/344,612.68 = 134,998.38/x - Step 3: Cross multiply
249,719.69x = 344,612.68 × 134,998.38 - Step 4: Simplify right side
249,719.69x = 46,522,153,189.96 - Step 5: Solve for x
x = 46,522,153,189.96/249,719.69 - Step 6: Final answer
x = 186,297.50
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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.