Finding the Fourth Proportional to 368,722.73, 553,256.30 and 191,132.84
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Solution
The fourth proportional to 368,722.73, 553,256.30 and 191,132.84 is: 286,788.52
Step by Step Solution
- Step 1: Write the proportion equation
368,722.73 : 553,256.30 = 191,132.84 : x - Step 2: Convert to fraction form
368,722.73/553,256.30 = 191,132.84/x - Step 3: Cross multiply
368,722.73x = 553,256.30 × 191,132.84 - Step 4: Simplify right side
368,722.73x = 105,745,445,578.44 - Step 5: Solve for x
x = 105,745,445,578.44/368,722.73 - Step 6: Final answer
x = 286,788.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.