Finding the Fourth Proportional to 242,618.96, 364,132.92 and 102,478.16
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Solution
The fourth proportional to 242,618.96, 364,132.92 and 102,478.16 is: 153,803.61
Step by Step Solution
- Step 1: Write the proportion equation
242,618.96 : 364,132.92 = 102,478.16 : x - Step 2: Convert to fraction form
242,618.96/364,132.92 = 102,478.16/x - Step 3: Cross multiply
242,618.96x = 364,132.92 × 102,478.16 - Step 4: Simplify right side
242,618.96x = 37,315,671,637.03 - Step 5: Solve for x
x = 37,315,671,637.03/242,618.96 - Step 6: Final answer
x = 153,803.61
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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.