Finding the Fourth Proportional to 424,031.84, 636,078.84 and 157,792.28
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Solution
The fourth proportional to 424,031.84, 636,078.84 and 157,792.28 is: 236,699.99
Step by Step Solution
- Step 1: Write the proportion equation
424,031.84 : 636,078.84 = 157,792.28 : x - Step 2: Convert to fraction form
424,031.84/636,078.84 = 157,792.28/x - Step 3: Cross multiply
424,031.84x = 636,078.84 × 157,792.28 - Step 4: Simplify right side
424,031.84x = 100,368,330,423.36 - Step 5: Solve for x
x = 100,368,330,423.36/424,031.84 - Step 6: Final answer
x = 236,699.99
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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.