Finding the Fourth Proportional to 249,921.92, 344,893.92 and 153,125.94
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Solution
The fourth proportional to 249,921.92, 344,893.92 and 153,125.94 is: 211,314.82
Step by Step Solution
- Step 1: Write the proportion equation
249,921.92 : 344,893.92 = 153,125.94 : x - Step 2: Convert to fraction form
249,921.92/344,893.92 = 153,125.94/x - Step 3: Cross multiply
249,921.92x = 344,893.92 × 153,125.94 - Step 4: Simplify right side
249,921.92x = 52,812,206,419.41 - Step 5: Solve for x
x = 52,812,206,419.41/249,921.92 - Step 6: Final answer
x = 211,314.82
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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.