Finding the Fourth Proportional to 387,913.68, 536,275.08 and 384,365.52
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Solution
The fourth proportional to 387,913.68, 536,275.08 and 384,365.52 is: 531,369.89
Step by Step Solution
- Step 1: Write the proportion equation
387,913.68 : 536,275.08 = 384,365.52 : x - Step 2: Convert to fraction form
387,913.68/536,275.08 = 384,365.52/x - Step 3: Cross multiply
387,913.68x = 536,275.08 × 384,365.52 - Step 4: Simplify right side
387,913.68x = 206,125,649,987.24 - Step 5: Solve for x
x = 206,125,649,987.24/387,913.68 - Step 6: Final answer
x = 531,369.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.