Finding the Fourth Proportional to 215,312.18, 297,128.67 and 119,817.23
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Solution
The fourth proportional to 215,312.18, 297,128.67 and 119,817.23 is: 165,346.59
Step by Step Solution
- Step 1: Write the proportion equation
215,312.18 : 297,128.67 = 119,817.23 : x - Step 2: Convert to fraction form
215,312.18/297,128.67 = 119,817.23/x - Step 3: Cross multiply
215,312.18x = 297,128.67 × 119,817.23 - Step 4: Simplify right side
215,312.18x = 35,601,134,192.98 - Step 5: Solve for x
x = 35,601,134,192.98/215,312.18 - Step 6: Final answer
x = 165,346.59
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1.5x scale
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.