Finding the Fourth Proportional to 512,303.51, 706,975.62 and 282,875.06
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Solution
The fourth proportional to 512,303.51, 706,975.62 and 282,875.06 is: 390,365.80
Step by Step Solution
- Step 1: Write the proportion equation
512,303.51 : 706,975.62 = 282,875.06 : x - Step 2: Convert to fraction form
512,303.51/706,975.62 = 282,875.06/x - Step 3: Cross multiply
512,303.51x = 706,975.62 × 282,875.06 - Step 4: Simplify right side
512,303.51x = 199,985,770,926.04 - Step 5: Solve for x
x = 199,985,770,926.04/512,303.51 - Step 6: Final answer
x = 390,365.80
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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.