Finding the Fourth Proportional to 660,029.44, 910,841.12 and 358,223.36
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Solution
The fourth proportional to 660,029.44, 910,841.12 and 358,223.36 is: 494,348.50
Step by Step Solution
- Step 1: Write the proportion equation
660,029.44 : 910,841.12 = 358,223.36 : x - Step 2: Convert to fraction form
660,029.44/910,841.12 = 358,223.36/x - Step 3: Cross multiply
660,029.44x = 910,841.12 × 358,223.36 - Step 4: Simplify right side
660,029.44x = 326,284,566,432.56 - Step 5: Solve for x
x = 326,284,566,432.56/660,029.44 - Step 6: Final answer
x = 494,348.50
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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.