Finding the Fourth Proportional to 832,781.93, 1,249,168.77 and 201,695.81
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Solution
The fourth proportional to 832,781.93, 1,249,168.77 and 201,695.81 is: 302,542.71
Step by Step Solution
- Step 1: Write the proportion equation
832,781.93 : 1,249,168.77 = 201,695.81 : x - Step 2: Convert to fraction form
832,781.93/1,249,168.77 = 201,695.81/x - Step 3: Cross multiply
832,781.93x = 1,249,168.77 × 201,695.81 - Step 4: Simplify right side
832,781.93x = 251,952,100,646.01 - Step 5: Solve for x
x = 251,952,100,646.01/832,781.93 - Step 6: Final answer
x = 302,542.71
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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.