Finding the Fourth Proportional to 399,289.68, 597,979.69 and 230,297.65
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Solution
The fourth proportional to 399,289.68, 597,979.69 and 230,297.65 is: 344,895.75
Step by Step Solution
- Step 1: Write the proportion equation
399,289.68 : 597,979.69 = 230,297.65 : x - Step 2: Convert to fraction form
399,289.68/597,979.69 = 230,297.65/x - Step 3: Cross multiply
399,289.68x = 597,979.69 × 230,297.65 - Step 4: Simplify right side
399,289.68x = 137,713,315,284.04 - Step 5: Solve for x
x = 137,713,315,284.04/399,289.68 - Step 6: Final answer
x = 344,895.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.