Finding the Fourth Proportional to 558,834.84, 838,243.98 and 138,110.58
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Solution
The fourth proportional to 558,834.84, 838,243.98 and 138,110.58 is: 207,163.82
Step by Step Solution
- Step 1: Write the proportion equation
558,834.84 : 838,243.98 = 138,110.58 : x - Step 2: Convert to fraction form
558,834.84/838,243.98 = 138,110.58/x - Step 3: Cross multiply
558,834.84x = 838,243.98 × 138,110.58 - Step 4: Simplify right side
558,834.84x = 115,770,362,259.31 - Step 5: Solve for x
x = 115,770,362,259.31/558,834.84 - Step 6: Final answer
x = 207,163.82
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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.