Finding the Fourth Proportional to 318,485.84, 476,678.64 and 176,112.08
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Solution
The fourth proportional to 318,485.84, 476,678.64 and 176,112.08 is: 263,587.44
Step by Step Solution
- Step 1: Write the proportion equation
318,485.84 : 476,678.64 = 176,112.08 : x - Step 2: Convert to fraction form
318,485.84/476,678.64 = 176,112.08/x - Step 3: Cross multiply
318,485.84x = 476,678.64 × 176,112.08 - Step 4: Simplify right side
318,485.84x = 83,948,866,781.97 - Step 5: Solve for x
x = 83,948,866,781.97/318,485.84 - Step 6: Final answer
x = 263,587.44
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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.