Finding the Fourth Proportional to 343,735.80, 514,566.90 and 302,263.80
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Solution
The fourth proportional to 343,735.80, 514,566.90 and 302,263.80 is: 452,483.99
Step by Step Solution
- Step 1: Write the proportion equation
343,735.80 : 514,566.90 = 302,263.80 : x - Step 2: Convert to fraction form
343,735.80/514,566.90 = 302,263.80/x - Step 3: Cross multiply
343,735.80x = 514,566.90 × 302,263.80 - Step 4: Simplify right side
343,735.80x = 155,534,946,548.22 - Step 5: Solve for x
x = 155,534,946,548.22/343,735.80 - Step 6: Final answer
x = 452,483.99
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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.