Finding the Fourth Proportional to 346,686.18, 519,141.48 and 239,922.31
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Solution
The fourth proportional to 346,686.18, 519,141.48 and 239,922.31 is: 359,269.07
Step by Step Solution
- Step 1: Write the proportion equation
346,686.18 : 519,141.48 = 239,922.31 : x - Step 2: Convert to fraction form
346,686.18/519,141.48 = 239,922.31/x - Step 3: Cross multiply
346,686.18x = 519,141.48 × 239,922.31 - Step 4: Simplify right side
346,686.18x = 124,553,623,098.42 - Step 5: Solve for x
x = 124,553,623,098.42/346,686.18 - Step 6: Final answer
x = 359,269.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.