Finding the Fourth Proportional to 399,349.94, 598,069.40 and 230,519.00
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Solution
The fourth proportional to 399,349.94, 598,069.40 and 230,519.00 is: 345,226.94
Step by Step Solution
- Step 1: Write the proportion equation
399,349.94 : 598,069.40 = 230,519.00 : x - Step 2: Convert to fraction form
399,349.94/598,069.40 = 230,519.00/x - Step 3: Cross multiply
399,349.94x = 598,069.40 × 230,519.00 - Step 4: Simplify right side
399,349.94x = 137,866,355,875.66 - Step 5: Solve for x
x = 137,866,355,875.66/399,349.94 - Step 6: Final answer
x = 345,226.94
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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.