Finding the Fourth Proportional to 540,058.68, 745,278.58 and 298,341.36
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Solution
The fourth proportional to 540,058.68, 745,278.58 and 298,341.36 is: 411,709.75
Step by Step Solution
- Step 1: Write the proportion equation
540,058.68 : 745,278.58 = 298,341.36 : x - Step 2: Convert to fraction form
540,058.68/745,278.58 = 298,341.36/x - Step 3: Cross multiply
540,058.68x = 745,278.58 × 298,341.36 - Step 4: Simplify right side
540,058.68x = 222,347,425,136.07 - Step 5: Solve for x
x = 222,347,425,136.07/540,058.68 - Step 6: Final answer
x = 411,709.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.