Finding the Fourth Proportional to 408,501.51, 563,723.99 and 227,209.53
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Solution
The fourth proportional to 408,501.51, 563,723.99 and 227,209.53 is: 313,544.65
Step by Step Solution
- Step 1: Write the proportion equation
408,501.51 : 563,723.99 = 227,209.53 : x - Step 2: Convert to fraction form
408,501.51/563,723.99 = 227,209.53/x - Step 3: Cross multiply
408,501.51x = 563,723.99 × 227,209.53 - Step 4: Simplify right side
408,501.51x = 128,083,462,817.63 - Step 5: Solve for x
x = 128,083,462,817.63/408,501.51 - Step 6: Final answer
x = 313,544.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.