Finding the Fourth Proportional to 153,317.07, 229,985.34 and 48,140.19
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Solution
The fourth proportional to 153,317.07, 229,985.34 and 48,140.19 is: 72,213.34
Step by Step Solution
- Step 1: Write the proportion equation
153,317.07 : 229,985.34 = 48,140.19 : x - Step 2: Convert to fraction form
153,317.07/229,985.34 = 48,140.19/x - Step 3: Cross multiply
153,317.07x = 229,985.34 × 48,140.19 - Step 4: Simplify right side
153,317.07x = 11,071,537,964.81 - Step 5: Solve for x
x = 11,071,537,964.81/153,317.07 - Step 6: Final answer
x = 72,213.34
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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.