Finding the Fourth Proportional to 319,802.21, 441,327.71 and 176,562.53
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Solution
The fourth proportional to 319,802.21, 441,327.71 and 176,562.53 is: 243,656.66
Step by Step Solution
- Step 1: Write the proportion equation
319,802.21 : 441,327.71 = 176,562.53 : x - Step 2: Convert to fraction form
319,802.21/441,327.71 = 176,562.53/x - Step 3: Cross multiply
319,802.21x = 441,327.71 × 176,562.53 - Step 4: Simplify right side
319,802.21x = 77,921,937,036.71 - Step 5: Solve for x
x = 77,921,937,036.71/319,802.21 - Step 6: Final answer
x = 243,656.66
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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.