Finding the Fourth Proportional to 368,012.16, 552,118.68 and 131,378.76
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Solution
The fourth proportional to 368,012.16, 552,118.68 and 131,378.76 is: 197,104.00
Step by Step Solution
- Step 1: Write the proportion equation
368,012.16 : 552,118.68 = 131,378.76 : x - Step 2: Convert to fraction form
368,012.16/552,118.68 = 131,378.76/x - Step 3: Cross multiply
368,012.16x = 552,118.68 × 131,378.76 - Step 4: Simplify right side
368,012.16x = 72,536,667,551.24 - Step 5: Solve for x
x = 72,536,667,551.24/368,012.16 - Step 6: Final answer
x = 197,104.00
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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.