Finding the Fourth Proportional to 407,777.36, 610,975.80 and 249,675.68
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Solution
The fourth proportional to 407,777.36, 610,975.80 and 249,675.68 is: 374,090.90
Step by Step Solution
- Step 1: Write the proportion equation
407,777.36 : 610,975.80 = 249,675.68 : x - Step 2: Convert to fraction form
407,777.36/610,975.80 = 249,675.68/x - Step 3: Cross multiply
407,777.36x = 610,975.80 × 249,675.68 - Step 4: Simplify right side
407,777.36x = 152,545,798,328.54 - Step 5: Solve for x
x = 152,545,798,328.54/407,777.36 - Step 6: Final answer
x = 374,090.90
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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.