Finding the Fourth Proportional to 399,756.72, 551,762.24 and 227,776.08
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Solution
The fourth proportional to 399,756.72, 551,762.24 and 227,776.08 is: 314,386.81
Step by Step Solution
- Step 1: Write the proportion equation
399,756.72 : 551,762.24 = 227,776.08 : x - Step 2: Convert to fraction form
399,756.72/551,762.24 = 227,776.08/x - Step 3: Cross multiply
399,756.72x = 551,762.24 × 227,776.08 - Step 4: Simplify right side
399,756.72x = 125,678,240,119.22 - Step 5: Solve for x
x = 125,678,240,119.22/399,756.72 - Step 6: Final answer
x = 314,386.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.