Finding the Fourth Proportional to 245,312.20, 367,968.30 and 230,537.80
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Solution
The fourth proportional to 245,312.20, 367,968.30 and 230,537.80 is: 345,806.70
Step by Step Solution
- Step 1: Write the proportion equation
245,312.20 : 367,968.30 = 230,537.80 : x - Step 2: Convert to fraction form
245,312.20/367,968.30 = 230,537.80/x - Step 3: Cross multiply
245,312.20x = 367,968.30 × 230,537.80 - Step 4: Simplify right side
245,312.20x = 84,830,602,351.74 - Step 5: Solve for x
x = 84,830,602,351.74/245,312.20 - Step 6: Final answer
x = 345,806.70
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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.