Finding the Fourth Proportional to 516,444.68, 712,583.07 and 301,487.18
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Solution
The fourth proportional to 516,444.68, 712,583.07 and 301,487.18 is: 415,987.75
Step by Step Solution
- Step 1: Write the proportion equation
516,444.68 : 712,583.07 = 301,487.18 : x - Step 2: Convert to fraction form
516,444.68/712,583.07 = 301,487.18/x - Step 3: Cross multiply
516,444.68x = 712,583.07 × 301,487.18 - Step 4: Simplify right side
516,444.68x = 214,834,656,727.13 - Step 5: Solve for x
x = 214,834,656,727.13/516,444.68 - Step 6: Final answer
x = 415,987.75
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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.