Finding the Fourth Proportional to 199,643.40, 299,465.10 and 183,313.80
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Solution
The fourth proportional to 199,643.40, 299,465.10 and 183,313.80 is: 274,970.70
Step by Step Solution
- Step 1: Write the proportion equation
199,643.40 : 299,465.10 = 183,313.80 : x - Step 2: Convert to fraction form
199,643.40/299,465.10 = 183,313.80/x - Step 3: Cross multiply
199,643.40x = 299,465.10 × 183,313.80 - Step 4: Simplify right side
199,643.40x = 54,896,085,448.38 - Step 5: Solve for x
x = 54,896,085,448.38/199,643.40 - Step 6: Final answer
x = 274,970.70
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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.