Finding the Fourth Proportional to 452,259.05, 678,486.98 and 136,707.75
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Solution
The fourth proportional to 452,259.05, 678,486.98 and 136,707.75 is: 205,091.37
Step by Step Solution
- Step 1: Write the proportion equation
452,259.05 : 678,486.98 = 136,707.75 : x - Step 2: Convert to fraction form
452,259.05/678,486.98 = 136,707.75/x - Step 3: Cross multiply
452,259.05x = 678,486.98 × 136,707.75 - Step 4: Simplify right side
452,259.05x = 92,754,428,781.86 - Step 5: Solve for x
x = 92,754,428,781.86/452,259.05 - Step 6: Final answer
x = 205,091.37
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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.