Finding the Fourth Proportional to 367,929.84, 551,433.28 and 157,320.56
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Solution
The fourth proportional to 367,929.84, 551,433.28 and 157,320.56 is: 235,783.52
Step by Step Solution
- Step 1: Write the proportion equation
367,929.84 : 551,433.28 = 157,320.56 : x - Step 2: Convert to fraction form
367,929.84/551,433.28 = 157,320.56/x - Step 3: Cross multiply
367,929.84x = 551,433.28 × 157,320.56 - Step 4: Simplify right side
367,929.84x = 86,751,792,412.24 - Step 5: Solve for x
x = 86,751,792,412.24/367,929.84 - Step 6: Final answer
x = 235,783.52
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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.