Finding the Fourth Proportional to 545,221.96, 817,774.61 and 190,242.70
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Solution
The fourth proportional to 545,221.96, 817,774.61 and 190,242.70 is: 285,343.69
Step by Step Solution
- Step 1: Write the proportion equation
545,221.96 : 817,774.61 = 190,242.70 : x - Step 2: Convert to fraction form
545,221.96/817,774.61 = 190,242.70/x - Step 3: Cross multiply
545,221.96x = 817,774.61 × 190,242.70 - Step 4: Simplify right side
545,221.96x = 155,575,646,802.20 - Step 5: Solve for x
x = 155,575,646,802.20/545,221.96 - Step 6: Final answer
x = 285,343.69
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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.