Finding the Fourth Proportional to 249,876.42, 344,829.88 and 147,984.08
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Solution
The fourth proportional to 249,876.42, 344,829.88 and 147,984.08 is: 204,218.28
Step by Step Solution
- Step 1: Write the proportion equation
249,876.42 : 344,829.88 = 147,984.08 : x - Step 2: Convert to fraction form
249,876.42/344,829.88 = 147,984.08/x - Step 3: Cross multiply
249,876.42x = 344,829.88 × 147,984.08 - Step 4: Simplify right side
249,876.42x = 51,029,332,548.31 - Step 5: Solve for x
x = 51,029,332,548.31/249,876.42 - Step 6: Final answer
x = 204,218.28
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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.