Finding the Fourth Proportional to 165,336.76, 228,182.58 and 93,709.09
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Solution
The fourth proportional to 165,336.76, 228,182.58 and 93,709.09 is: 129,328.66
Step by Step Solution
- Step 1: Write the proportion equation
165,336.76 : 228,182.58 = 93,709.09 : x - Step 2: Convert to fraction form
165,336.76/228,182.58 = 93,709.09/x - Step 3: Cross multiply
165,336.76x = 228,182.58 × 93,709.09 - Step 4: Simplify right side
165,336.76x = 21,382,781,925.65 - Step 5: Solve for x
x = 21,382,781,925.65/165,336.76 - Step 6: Final answer
x = 129,328.66
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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.