Finding the Fourth Proportional to 538,881.13, 808,386.14 and 218,964.65
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Solution
The fourth proportional to 538,881.13, 808,386.14 and 218,964.65 is: 328,473.15
Step by Step Solution
- Step 1: Write the proportion equation
538,881.13 : 808,386.14 = 218,964.65 : x - Step 2: Convert to fraction form
538,881.13/808,386.14 = 218,964.65/x - Step 3: Cross multiply
538,881.13x = 808,386.14 × 218,964.65 - Step 4: Simplify right side
538,881.13x = 177,007,984,715.43 - Step 5: Solve for x
x = 177,007,984,715.43/538,881.13 - Step 6: Final answer
x = 328,473.15
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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.