Finding the Fourth Proportional to 232,457.40, 348,734.70 and 74,701.80
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Solution
The fourth proportional to 232,457.40, 348,734.70 and 74,701.80 is: 112,068.32
Step by Step Solution
- Step 1: Write the proportion equation
232,457.40 : 348,734.70 = 74,701.80 : x - Step 2: Convert to fraction form
232,457.40/348,734.70 = 74,701.80/x - Step 3: Cross multiply
232,457.40x = 348,734.70 × 74,701.80 - Step 4: Simplify right side
232,457.40x = 26,051,109,812.46 - Step 5: Solve for x
x = 26,051,109,812.46/232,457.40 - Step 6: Final answer
x = 112,068.32
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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.