Finding the Fourth Proportional to 545,341.54, 818,385.99 and 190,355.53
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Solution
The fourth proportional to 545,341.54, 818,385.99 and 190,355.53 is: 285,663.73
Step by Step Solution
- Step 1: Write the proportion equation
545,341.54 : 818,385.99 = 190,355.53 : x - Step 2: Convert to fraction form
545,341.54/818,385.99 = 190,355.53/x - Step 3: Cross multiply
545,341.54x = 818,385.99 × 190,355.53 - Step 4: Simplify right side
545,341.54x = 155,784,294,779.10 - Step 5: Solve for x
x = 155,784,294,779.10/545,341.54 - Step 6: Final answer
x = 285,663.73
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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.