Finding the Fourth Proportional to 249,889.14, 344,845.98 and 135,167.85
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Solution
The fourth proportional to 249,889.14, 344,845.98 and 135,167.85 is: 186,531.07
Step by Step Solution
- Step 1: Write the proportion equation
249,889.14 : 344,845.98 = 135,167.85 : x - Step 2: Convert to fraction form
249,889.14/344,845.98 = 135,167.85/x - Step 3: Cross multiply
249,889.14x = 344,845.98 × 135,167.85 - Step 4: Simplify right side
249,889.14x = 46,612,089,697.74 - Step 5: Solve for x
x = 46,612,089,697.74/249,889.14 - Step 6: Final answer
x = 186,531.07
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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.