Finding the Fourth Proportional to 387,552.90, 534,852.95 and 232,509.99
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Solution
The fourth proportional to 387,552.90, 534,852.95 and 232,509.99 is: 320,881.75
Step by Step Solution
- Step 1: Write the proportion equation
387,552.90 : 534,852.95 = 232,509.99 : x - Step 2: Convert to fraction form
387,552.90/534,852.95 = 232,509.99/x - Step 3: Cross multiply
387,552.90x = 534,852.95 × 232,509.99 - Step 4: Simplify right side
387,552.90x = 124,358,653,474.70 - Step 5: Solve for x
x = 124,358,653,474.70/387,552.90 - Step 6: Final answer
x = 320,881.75
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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.