Finding the Fourth Proportional to 249,613.07, 344,466.21 and 136,435.82
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Solution
The fourth proportional to 249,613.07, 344,466.21 and 136,435.82 is: 188,281.52
Step by Step Solution
- Step 1: Write the proportion equation
249,613.07 : 344,466.21 = 136,435.82 : x - Step 2: Convert to fraction form
249,613.07/344,466.21 = 136,435.82/x - Step 3: Cross multiply
249,613.07x = 344,466.21 × 136,435.82 - Step 4: Simplify right side
249,613.07x = 46,997,528,101.31 - Step 5: Solve for x
x = 46,997,528,101.31/249,613.07 - Step 6: Final answer
x = 188,281.52
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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.