Finding the Fourth Proportional to 403,762.65, 557,187.99 and 229,331.63
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Solution
The fourth proportional to 403,762.65, 557,187.99 and 229,331.63 is: 316,475.11
Step by Step Solution
- Step 1: Write the proportion equation
403,762.65 : 557,187.99 = 229,331.63 : x - Step 2: Convert to fraction form
403,762.65/557,187.99 = 229,331.63/x - Step 3: Cross multiply
403,762.65x = 557,187.99 × 229,331.63 - Step 4: Simplify right side
403,762.65x = 127,780,829,574.00 - Step 5: Solve for x
x = 127,780,829,574.00/403,762.65 - Step 6: Final answer
x = 316,475.11
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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.