Finding the Fourth Proportional to 242,656.44, 363,985.59 and 74,176.12
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Solution
The fourth proportional to 242,656.44, 363,985.59 and 74,176.12 is: 111,264.46
Step by Step Solution
- Step 1: Write the proportion equation
242,656.44 : 363,985.59 = 74,176.12 : x - Step 2: Convert to fraction form
242,656.44/363,985.59 = 74,176.12/x - Step 3: Cross multiply
242,656.44x = 363,985.59 × 74,176.12 - Step 4: Simplify right side
242,656.44x = 26,999,038,802.11 - Step 5: Solve for x
x = 26,999,038,802.11/242,656.44 - Step 6: Final answer
x = 111,264.46
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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.