Finding the Fourth Proportional to 219,980.19, 303,572.67 and 119,378.19
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Solution
The fourth proportional to 219,980.19, 303,572.67 and 119,378.19 is: 164,741.91
Step by Step Solution
- Step 1: Write the proportion equation
219,980.19 : 303,572.67 = 119,378.19 : x - Step 2: Convert to fraction form
219,980.19/303,572.67 = 119,378.19/x - Step 3: Cross multiply
219,980.19x = 303,572.67 × 119,378.19 - Step 4: Simplify right side
219,980.19x = 36,239,955,878.07 - Step 5: Solve for x
x = 36,239,955,878.07/219,980.19 - Step 6: Final answer
x = 164,741.91
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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.