Finding the Fourth Proportional to 249,249.24, 343,962.20 and 136,071.99
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Solution
The fourth proportional to 249,249.24, 343,962.20 and 136,071.99 is: 187,778.39
Step by Step Solution
- Step 1: Write the proportion equation
249,249.24 : 343,962.20 = 136,071.99 : x - Step 2: Convert to fraction form
249,249.24/343,962.20 = 136,071.99/x - Step 3: Cross multiply
249,249.24x = 343,962.20 × 136,071.99 - Step 4: Simplify right side
249,249.24x = 46,803,620,358.42 - Step 5: Solve for x
x = 46,803,620,358.42/249,249.24 - Step 6: Final answer
x = 187,778.39
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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.