Finding the Fourth Proportional to 487,301.76, 731,263.68 and 188,023.68
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Solution
The fourth proportional to 487,301.76, 731,263.68 and 188,023.68 is: 282,155.53
Step by Step Solution
- Step 1: Write the proportion equation
487,301.76 : 731,263.68 = 188,023.68 : x - Step 2: Convert to fraction form
487,301.76/731,263.68 = 188,023.68/x - Step 3: Cross multiply
487,301.76x = 731,263.68 × 188,023.68 - Step 4: Simplify right side
487,301.76x = 137,494,888,163.94 - Step 5: Solve for x
x = 137,494,888,163.94/487,301.76 - Step 6: Final answer
x = 282,155.53
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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.