Finding the Fourth Proportional to 152,802.09, 229,250.07 and 72,941.99
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Solution
The fourth proportional to 152,802.09, 229,250.07 and 72,941.99 is: 109,435.38
Step by Step Solution
- Step 1: Write the proportion equation
152,802.09 : 229,250.07 = 72,941.99 : x - Step 2: Convert to fraction form
152,802.09/229,250.07 = 72,941.99/x - Step 3: Cross multiply
152,802.09x = 229,250.07 × 72,941.99 - Step 4: Simplify right side
152,802.09x = 16,721,955,167.19 - Step 5: Solve for x
x = 16,721,955,167.19/152,802.09 - Step 6: Final answer
x = 109,435.38
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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.