Finding the Fourth Proportional to 495,278.74, 742,614.53 and 210,807.29
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Solution
The fourth proportional to 495,278.74, 742,614.53 and 210,807.29 is: 316,081.72
Step by Step Solution
- Step 1: Write the proportion equation
495,278.74 : 742,614.53 = 210,807.29 : x - Step 2: Convert to fraction form
495,278.74/742,614.53 = 210,807.29/x - Step 3: Cross multiply
495,278.74x = 742,614.53 × 210,807.29 - Step 4: Simplify right side
495,278.74x = 156,548,557,386.42 - Step 5: Solve for x
x = 156,548,557,386.42/495,278.74 - Step 6: Final answer
x = 316,081.72
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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.