Finding the Fourth Proportional to 153,394.96, 229,898.58 and 69,065.32
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Solution
The fourth proportional to 153,394.96, 229,898.58 and 69,065.32 is: 103,510.70
Step by Step Solution
- Step 1: Write the proportion equation
153,394.96 : 229,898.58 = 69,065.32 : x - Step 2: Convert to fraction form
153,394.96/229,898.58 = 69,065.32/x - Step 3: Cross multiply
153,394.96x = 229,898.58 × 69,065.32 - Step 4: Simplify right side
153,394.96x = 15,878,018,995.25 - Step 5: Solve for x
x = 15,878,018,995.25/153,394.96 - Step 6: Final answer
x = 103,510.70
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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.