Finding the Fourth Proportional to 440,974.18, 608,628.88 and 249,988.32
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Solution
The fourth proportional to 440,974.18, 608,628.88 and 249,988.32 is: 345,031.79
Step by Step Solution
- Step 1: Write the proportion equation
440,974.18 : 608,628.88 = 249,988.32 : x - Step 2: Convert to fraction form
440,974.18/608,628.88 = 249,988.32/x - Step 3: Cross multiply
440,974.18x = 608,628.88 × 249,988.32 - Step 4: Simplify right side
440,974.18x = 152,150,111,214.68 - Step 5: Solve for x
x = 152,150,111,214.68/440,974.18 - Step 6: Final answer
x = 345,031.79
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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.