Finding the Fourth Proportional to 475,038.14, 655,553.26 and 257,247.18
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Solution
The fourth proportional to 475,038.14, 655,553.26 and 257,247.18 is: 355,001.46
Step by Step Solution
- Step 1: Write the proportion equation
475,038.14 : 655,553.26 = 257,247.18 : x - Step 2: Convert to fraction form
475,038.14/655,553.26 = 257,247.18/x - Step 3: Cross multiply
475,038.14x = 655,553.26 × 257,247.18 - Step 4: Simplify right side
475,038.14x = 168,639,229,838.47 - Step 5: Solve for x
x = 168,639,229,838.47/475,038.14 - Step 6: Final answer
x = 355,001.46
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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.