Finding the Fourth Proportional to 692,203.92, 955,239.68 and 386,277.12
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Solution
The fourth proportional to 692,203.92, 955,239.68 and 386,277.12 is: 533,061.46
Step by Step Solution
- Step 1: Write the proportion equation
692,203.92 : 955,239.68 = 386,277.12 : x - Step 2: Convert to fraction form
692,203.92/955,239.68 = 386,277.12/x - Step 3: Cross multiply
692,203.92x = 955,239.68 × 386,277.12 - Step 4: Simplify right side
692,203.92x = 368,987,232,500.12 - Step 5: Solve for x
x = 368,987,232,500.12/692,203.92 - Step 6: Final answer
x = 533,061.46
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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.