Finding the Fourth Proportional to 306,901.09, 460,423.95 and 96,539.05
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Solution
The fourth proportional to 306,901.09, 460,423.95 and 96,539.05 is: 144,831.32
Step by Step Solution
- Step 1: Write the proportion equation
306,901.09 : 460,423.95 = 96,539.05 : x - Step 2: Convert to fraction form
306,901.09/460,423.95 = 96,539.05/x - Step 3: Cross multiply
306,901.09x = 460,423.95 × 96,539.05 - Step 4: Simplify right side
306,901.09x = 44,448,890,730.25 - Step 5: Solve for x
x = 44,448,890,730.25/306,901.09 - Step 6: Final answer
x = 144,831.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.