Finding the Fourth Proportional to 304,515.42, 420,220.55 and 168,549.63
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Solution
The fourth proportional to 304,515.42, 420,220.55 and 168,549.63 is: 232,592.55
Step by Step Solution
- Step 1: Write the proportion equation
304,515.42 : 420,220.55 = 168,549.63 : x - Step 2: Convert to fraction form
304,515.42/420,220.55 = 168,549.63/x - Step 3: Cross multiply
304,515.42x = 420,220.55 × 168,549.63 - Step 4: Simplify right side
304,515.42x = 70,828,018,642.27 - Step 5: Solve for x
x = 70,828,018,642.27/304,515.42 - Step 6: Final answer
x = 232,592.55
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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.