Finding the Fourth Proportional to 257,463.89, 386,143.04 and 97,484.63
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Solution
The fourth proportional to 257,463.89, 386,143.04 and 97,484.63 is: 146,206.96
Step by Step Solution
- Step 1: Write the proportion equation
257,463.89 : 386,143.04 = 97,484.63 : x - Step 2: Convert to fraction form
257,463.89/386,143.04 = 97,484.63/x - Step 3: Cross multiply
257,463.89x = 386,143.04 × 97,484.63 - Step 4: Simplify right side
257,463.89x = 37,643,011,381.48 - Step 5: Solve for x
x = 37,643,011,381.48/257,463.89 - Step 6: Final answer
x = 146,206.96
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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.