Finding the Fourth Proportional to 545,390.92, 818,130.06 and 190,397.08
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Solution
The fourth proportional to 545,390.92, 818,130.06 and 190,397.08 is: 285,610.87
Step by Step Solution
- Step 1: Write the proportion equation
545,390.92 : 818,130.06 = 190,397.08 : x - Step 2: Convert to fraction form
545,390.92/818,130.06 = 190,397.08/x - Step 3: Cross multiply
545,390.92x = 818,130.06 × 190,397.08 - Step 4: Simplify right side
545,390.92x = 155,769,574,484.23 - Step 5: Solve for x
x = 155,769,574,484.23/545,390.92 - Step 6: Final answer
x = 285,610.87
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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.