Finding the Fourth Proportional to 219,409.68, 302,784.84 and 118,807.68
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Solution
The fourth proportional to 219,409.68, 302,784.84 and 118,807.68 is: 163,954.32
Step by Step Solution
- Step 1: Write the proportion equation
219,409.68 : 302,784.84 = 118,807.68 : x - Step 2: Convert to fraction form
219,409.68/302,784.84 = 118,807.68/x - Step 3: Cross multiply
219,409.68x = 302,784.84 × 118,807.68 - Step 4: Simplify right side
219,409.68x = 35,973,164,379.57 - Step 5: Solve for x
x = 35,973,164,379.57/219,409.68 - Step 6: Final answer
x = 163,954.32
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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.