Finding the Fourth Proportional to 402,398.08, 603,596.64 and 102,878.88
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Solution
The fourth proportional to 402,398.08, 603,596.64 and 102,878.88 is: 154,318.20
Step by Step Solution
- Step 1: Write the proportion equation
402,398.08 : 603,596.64 = 102,878.88 : x - Step 2: Convert to fraction form
402,398.08/603,596.64 = 102,878.88/x - Step 3: Cross multiply
402,398.08x = 603,596.64 × 102,878.88 - Step 4: Simplify right side
402,398.08x = 62,097,346,294.96 - Step 5: Solve for x
x = 62,097,346,294.96/402,398.08 - Step 6: Final answer
x = 154,318.20
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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.