Finding the Fourth Proportional to 402,451.70, 603,677.55 and 181,267.70
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Solution
The fourth proportional to 402,451.70, 603,677.55 and 181,267.70 is: 271,901.55
Step by Step Solution
- Step 1: Write the proportion equation
402,451.70 : 603,677.55 = 181,267.70 : x - Step 2: Convert to fraction form
402,451.70/603,677.55 = 181,267.70/x - Step 3: Cross multiply
402,451.70x = 603,677.55 × 181,267.70 - Step 4: Simplify right side
402,451.70x = 109,427,241,030.14 - Step 5: Solve for x
x = 109,427,241,030.14/402,451.70 - Step 6: Final answer
x = 271,901.55
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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.