Finding the Fourth Proportional to 545,138.08, 817,410.36 and 190,056.64
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Solution
The fourth proportional to 545,138.08, 817,410.36 and 190,056.64 is: 284,981.50
Step by Step Solution
- Step 1: Write the proportion equation
545,138.08 : 817,410.36 = 190,056.64 : x - Step 2: Convert to fraction form
545,138.08/817,410.36 = 190,056.64/x - Step 3: Cross multiply
545,138.08x = 817,410.36 × 190,056.64 - Step 4: Simplify right side
545,138.08x = 155,354,266,522.79 - Step 5: Solve for x
x = 155,354,266,522.79/545,138.08 - Step 6: Final answer
x = 284,981.50
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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.