Finding the Fourth Proportional to 162,354.18, 243,555.58 and 57,154.62
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Solution
The fourth proportional to 162,354.18, 243,555.58 and 57,154.62 is: 85,740.49
Step by Step Solution
- Step 1: Write the proportion equation
162,354.18 : 243,555.58 = 57,154.62 : x - Step 2: Convert to fraction form
162,354.18/243,555.58 = 57,154.62/x - Step 3: Cross multiply
162,354.18x = 243,555.58 × 57,154.62 - Step 4: Simplify right side
162,354.18x = 13,920,326,623.78 - Step 5: Solve for x
x = 13,920,326,623.78/162,354.18 - Step 6: Final answer
x = 85,740.49
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1.5x scale
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.