Finding the Fourth Proportional to 215,246.16, 297,012.96 and 119,746.08
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Solution
The fourth proportional to 215,246.16, 297,012.96 and 119,746.08 is: 165,234.71
Step by Step Solution
- Step 1: Write the proportion equation
215,246.16 : 297,012.96 = 119,746.08 : x - Step 2: Convert to fraction form
215,246.16/297,012.96 = 119,746.08/x - Step 3: Cross multiply
215,246.16x = 297,012.96 × 119,746.08 - Step 4: Simplify right side
215,246.16x = 35,566,137,669.20 - Step 5: Solve for x
x = 35,566,137,669.20/215,246.16 - Step 6: Final answer
x = 165,234.71
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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.