Finding the Fourth Proportional to 306,950.31, 423,585.05 and 170,984.07
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Solution
The fourth proportional to 306,950.31, 423,585.05 and 170,984.07 is: 235,954.46
Step by Step Solution
- Step 1: Write the proportion equation
306,950.31 : 423,585.05 = 170,984.07 : x - Step 2: Convert to fraction form
306,950.31/423,585.05 = 170,984.07/x - Step 3: Cross multiply
306,950.31x = 423,585.05 × 170,984.07 - Step 4: Simplify right side
306,950.31x = 72,426,294,985.23 - Step 5: Solve for x
x = 72,426,294,985.23/306,950.31 - Step 6: Final answer
x = 235,954.46
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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.