Finding the Fourth Proportional to 279,603.24, 385,856.91 and 158,742.06
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Solution
The fourth proportional to 279,603.24, 385,856.91 and 158,742.06 is: 219,066.56
Step by Step Solution
- Step 1: Write the proportion equation
279,603.24 : 385,856.91 = 158,742.06 : x - Step 2: Convert to fraction form
279,603.24/385,856.91 = 158,742.06/x - Step 3: Cross multiply
279,603.24x = 385,856.91 × 158,742.06 - Step 4: Simplify right side
279,603.24x = 61,251,720,758.63 - Step 5: Solve for x
x = 61,251,720,758.63/279,603.24 - Step 6: Final answer
x = 219,066.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.