Finding the Fourth Proportional to 153,326.08, 229,988.04 and 42,518.08
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Solution
The fourth proportional to 153,326.08, 229,988.04 and 42,518.08 is: 63,776.82
Step by Step Solution
- Step 1: Write the proportion equation
153,326.08 : 229,988.04 = 42,518.08 : x - Step 2: Convert to fraction form
153,326.08/229,988.04 = 42,518.08/x - Step 3: Cross multiply
153,326.08x = 229,988.04 × 42,518.08 - Step 4: Simplify right side
153,326.08x = 9,778,649,883.76 - Step 5: Solve for x
x = 9,778,649,883.76/153,326.08 - Step 6: Final answer
x = 63,776.82
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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.