Finding the Fourth Proportional to 670,656.18, 1,005,898.50 and 221,265.84
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Solution
The fourth proportional to 670,656.18, 1,005,898.50 and 221,265.84 is: 331,870.46
Step by Step Solution
- Step 1: Write the proportion equation
670,656.18 : 1,005,898.50 = 221,265.84 : x - Step 2: Convert to fraction form
670,656.18/1,005,898.50 = 221,265.84/x - Step 3: Cross multiply
670,656.18x = 1,005,898.50 × 221,265.84 - Step 4: Simplify right side
670,656.18x = 222,570,976,557.24 - Step 5: Solve for x
x = 222,570,976,557.24/670,656.18 - Step 6: Final answer
x = 331,870.46
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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.