Finding the Fourth Proportional to 249,613.20, 344,466.09 and 136,435.95
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Solution
The fourth proportional to 249,613.20, 344,466.09 and 136,435.95 is: 188,281.54
Step by Step Solution
- Step 1: Write the proportion equation
249,613.20 : 344,466.09 = 136,435.95 : x - Step 2: Convert to fraction form
249,613.20/344,466.09 = 136,435.95/x - Step 3: Cross multiply
249,613.20x = 344,466.09 × 136,435.95 - Step 4: Simplify right side
249,613.20x = 46,997,558,231.94 - Step 5: Solve for x
x = 46,997,558,231.94/249,613.20 - Step 6: Final answer
x = 188,281.54
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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.