Finding the Fourth Proportional to 468,856.68, 647,020.08 and 253,996.08
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Solution
The fourth proportional to 468,856.68, 647,020.08 and 253,996.08 is: 350,513.43
Step by Step Solution
- Step 1: Write the proportion equation
468,856.68 : 647,020.08 = 253,996.08 : x - Step 2: Convert to fraction form
468,856.68/647,020.08 = 253,996.08/x - Step 3: Cross multiply
468,856.68x = 647,020.08 × 253,996.08 - Step 4: Simplify right side
468,856.68x = 164,340,564,001.29 - Step 5: Solve for x
x = 164,340,564,001.29/468,856.68 - Step 6: Final answer
x = 350,513.43
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1.5x scale
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.