Finding the Fourth Proportional to 442,860.96, 610,875.36 and 315,577.68
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Solution
The fourth proportional to 442,860.96, 610,875.36 and 315,577.68 is: 435,302.83
Step by Step Solution
- Step 1: Write the proportion equation
442,860.96 : 610,875.36 = 315,577.68 : x - Step 2: Convert to fraction form
442,860.96/610,875.36 = 315,577.68/x - Step 3: Cross multiply
442,860.96x = 610,875.36 × 315,577.68 - Step 4: Simplify right side
442,860.96x = 192,778,628,877.97 - Step 5: Solve for x
x = 192,778,628,877.97/442,860.96 - Step 6: Final answer
x = 435,302.83
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1.5x scale
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.