Finding the Fourth Proportional to 538,881.69, 808,386.99 and 218,965.21
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Solution
The fourth proportional to 538,881.69, 808,386.99 and 218,965.21 is: 328,474.00
Step by Step Solution
- Step 1: Write the proportion equation
538,881.69 : 808,386.99 = 218,965.21 : x - Step 2: Convert to fraction form
538,881.69/808,386.99 = 218,965.21/x - Step 3: Cross multiply
538,881.69x = 808,386.99 × 218,965.21 - Step 4: Simplify right side
538,881.69x = 177,008,624,184.53 - Step 5: Solve for x
x = 177,008,624,184.53/538,881.69 - Step 6: Final answer
x = 328,474.00
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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.