Finding the Fourth Proportional to 219,929.76, 303,503.76 and 119,328.48
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Solution
The fourth proportional to 219,929.76, 303,503.76 and 119,328.48 is: 164,673.68
Step by Step Solution
- Step 1: Write the proportion equation
219,929.76 : 303,503.76 = 119,328.48 : x - Step 2: Convert to fraction form
219,929.76/303,503.76 = 119,328.48/x - Step 3: Cross multiply
219,929.76x = 303,503.76 × 119,328.48 - Step 4: Simplify right side
219,929.76x = 36,216,642,355.08 - Step 5: Solve for x
x = 36,216,642,355.08/219,929.76 - Step 6: Final answer
x = 164,673.68
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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.