Finding the Fourth Proportional to 257,484.42, 386,152.92 and 88,960.68
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Solution
The fourth proportional to 257,484.42, 386,152.92 and 88,960.68 is: 133,415.55
Step by Step Solution
- Step 1: Write the proportion equation
257,484.42 : 386,152.92 = 88,960.68 : x - Step 2: Convert to fraction form
257,484.42/386,152.92 = 88,960.68/x - Step 3: Cross multiply
257,484.42x = 386,152.92 × 88,960.68 - Step 4: Simplify right side
257,484.42x = 34,352,426,347.19 - Step 5: Solve for x
x = 34,352,426,347.19/257,484.42 - Step 6: Final answer
x = 133,415.55
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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.