Finding the Fourth Proportional to 545,909.31, 753,347.19 and 304,202.07
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Solution
The fourth proportional to 545,909.31, 753,347.19 and 304,202.07 is: 419,794.59
Step by Step Solution
- Step 1: Write the proportion equation
545,909.31 : 753,347.19 = 304,202.07 : x - Step 2: Convert to fraction form
545,909.31/753,347.19 = 304,202.07/x - Step 3: Cross multiply
545,909.31x = 753,347.19 × 304,202.07 - Step 4: Simplify right side
545,909.31x = 229,169,774,626.68 - Step 5: Solve for x
x = 229,169,774,626.68/545,909.31 - Step 6: Final answer
x = 419,794.59
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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.