Finding the Fourth Proportional to 439,122.30, 605,989.80 and 245,536.98
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Solution
The fourth proportional to 439,122.30, 605,989.80 and 245,536.98 is: 338,841.61
Step by Step Solution
- Step 1: Write the proportion equation
439,122.30 : 605,989.80 = 245,536.98 : x - Step 2: Convert to fraction form
439,122.30/605,989.80 = 245,536.98/x - Step 3: Cross multiply
439,122.30x = 605,989.80 × 245,536.98 - Step 4: Simplify right side
439,122.30x = 148,792,905,402.80 - Step 5: Solve for x
x = 148,792,905,402.80/439,122.30 - Step 6: Final answer
x = 338,841.61
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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.