Finding the Fourth Proportional to 153,309.12, 230,000.70 and 48,128.08
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Solution
The fourth proportional to 153,309.12, 230,000.70 and 48,128.08 is: 72,203.74
Step by Step Solution
- Step 1: Write the proportion equation
153,309.12 : 230,000.70 = 48,128.08 : x - Step 2: Convert to fraction form
153,309.12/230,000.70 = 48,128.08/x - Step 3: Cross multiply
153,309.12x = 230,000.70 × 48,128.08 - Step 4: Simplify right side
153,309.12x = 11,069,492,089.66 - Step 5: Solve for x
x = 11,069,492,089.66/153,309.12 - Step 6: Final answer
x = 72,203.74
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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.