Finding the Fourth Proportional to 390,856.95, 585,947.97 and 151,138.68
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Solution
The fourth proportional to 390,856.95, 585,947.97 and 151,138.68 is: 226,577.53
Step by Step Solution
- Step 1: Write the proportion equation
390,856.95 : 585,947.97 = 151,138.68 : x - Step 2: Convert to fraction form
390,856.95/585,947.97 = 151,138.68/x - Step 3: Cross multiply
390,856.95x = 585,947.97 × 151,138.68 - Step 4: Simplify right side
390,856.95x = 88,559,402,734.48 - Step 5: Solve for x
x = 88,559,402,734.48/390,856.95 - Step 6: Final answer
x = 226,577.53
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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.