Finding the Fourth Proportional to 341,962.96, 472,040.58 and 306,089.68
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Solution
The fourth proportional to 341,962.96, 472,040.58 and 306,089.68 is: 422,521.64
Step by Step Solution
- Step 1: Write the proportion equation
341,962.96 : 472,040.58 = 306,089.68 : x - Step 2: Convert to fraction form
341,962.96/472,040.58 = 306,089.68/x - Step 3: Cross multiply
341,962.96x = 472,040.58 × 306,089.68 - Step 4: Simplify right side
341,962.96x = 144,486,750,079.21 - Step 5: Solve for x
x = 144,486,750,079.21/341,962.96 - Step 6: Final answer
x = 422,521.64
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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.