Finding the Fourth Proportional to 249,489.99, 344,296.29 and 134,768.62
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Solution
The fourth proportional to 249,489.99, 344,296.29 and 134,768.62 is: 185,980.75
Step by Step Solution
- Step 1: Write the proportion equation
249,489.99 : 344,296.29 = 134,768.62 : x - Step 2: Convert to fraction form
249,489.99/344,296.29 = 134,768.62/x - Step 3: Cross multiply
249,489.99x = 344,296.29 × 134,768.62 - Step 4: Simplify right side
249,489.99x = 46,400,335,874.42 - Step 5: Solve for x
x = 46,400,335,874.42/249,489.99 - Step 6: Final answer
x = 185,980.75
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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.