Finding the Fourth Proportional to 539,973.06, 809,948.64 and 140,604.99
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Solution
The fourth proportional to 539,973.06, 809,948.64 and 140,604.99 is: 210,904.63
Step by Step Solution
- Step 1: Write the proportion equation
539,973.06 : 809,948.64 = 140,604.99 : x - Step 2: Convert to fraction form
539,973.06/809,948.64 = 140,604.99/x - Step 3: Cross multiply
539,973.06x = 809,948.64 × 140,604.99 - Step 4: Simplify right side
539,973.06x = 113,882,820,427.71 - Step 5: Solve for x
x = 113,882,820,427.71/539,973.06 - Step 6: Final answer
x = 210,904.63
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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.