Finding the Fourth Proportional to 343,708.80, 514,526.40 and 302,236.80
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Solution
The fourth proportional to 343,708.80, 514,526.40 and 302,236.80 is: 452,443.50
Step by Step Solution
- Step 1: Write the proportion equation
343,708.80 : 514,526.40 = 302,236.80 : x - Step 2: Convert to fraction form
343,708.80/514,526.40 = 302,236.80/x - Step 3: Cross multiply
343,708.80x = 514,526.40 × 302,236.80 - Step 4: Simplify right side
343,708.80x = 155,508,812,651.52 - Step 5: Solve for x
x = 155,508,812,651.52/343,708.80 - Step 6: Final answer
x = 452,443.50
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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.