Finding the Fourth Proportional to 249,857.19, 344,798.60 and 153,045.99
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Solution
The fourth proportional to 249,857.19, 344,798.60 and 153,045.99 is: 211,200.82
Step by Step Solution
- Step 1: Write the proportion equation
249,857.19 : 344,798.60 = 153,045.99 : x - Step 2: Convert to fraction form
249,857.19/344,798.60 = 153,045.99/x - Step 3: Cross multiply
249,857.19x = 344,798.60 × 153,045.99 - Step 4: Simplify right side
249,857.19x = 52,770,042,322.38 - Step 5: Solve for x
x = 52,770,042,322.38/249,857.19 - Step 6: Final answer
x = 211,200.82
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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.