Finding the Fourth Proportional to 201,651.40, 302,477.10 and 68,681.80
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Solution
The fourth proportional to 201,651.40, 302,477.10 and 68,681.80 is: 103,022.70
Step by Step Solution
- Step 1: Write the proportion equation
201,651.40 : 302,477.10 = 68,681.80 : x - Step 2: Convert to fraction form
201,651.40/302,477.10 = 68,681.80/x - Step 3: Cross multiply
201,651.40x = 302,477.10 × 68,681.80 - Step 4: Simplify right side
201,651.40x = 20,774,671,686.78 - Step 5: Solve for x
x = 20,774,671,686.78/201,651.40 - Step 6: Final answer
x = 103,022.70
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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.