Finding the Fourth Proportional to 148,415.76, 204,742.44 and 97,408.08
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Solution
The fourth proportional to 148,415.76, 204,742.44 and 97,408.08 is: 134,376.35
Step by Step Solution
- Step 1: Write the proportion equation
148,415.76 : 204,742.44 = 97,408.08 : x - Step 2: Convert to fraction form
148,415.76/204,742.44 = 97,408.08/x - Step 3: Cross multiply
148,415.76x = 204,742.44 × 97,408.08 - Step 4: Simplify right side
148,415.76x = 19,943,567,974.92 - Step 5: Solve for x
x = 19,943,567,974.92/148,415.76 - Step 6: Final answer
x = 134,376.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.