Finding the Fourth Proportional to 298,975.79, 447,547.84 and 193,585.07
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Solution
The fourth proportional to 298,975.79, 447,547.84 and 193,585.07 is: 289,784.60
Step by Step Solution
- Step 1: Write the proportion equation
298,975.79 : 447,547.84 = 193,585.07 : x - Step 2: Convert to fraction form
298,975.79/447,547.84 = 193,585.07/x - Step 3: Cross multiply
298,975.79x = 447,547.84 × 193,585.07 - Step 4: Simplify right side
298,975.79x = 86,638,579,934.75 - Step 5: Solve for x
x = 86,638,579,934.75/298,975.79 - Step 6: Final answer
x = 289,784.60
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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.