Finding the Fourth Proportional to 257,389.32, 386,132.54 and 97,513.08
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Solution
The fourth proportional to 257,389.32, 386,132.54 and 97,513.08 is: 146,288.02
Step by Step Solution
- Step 1: Write the proportion equation
257,389.32 : 386,132.54 = 97,513.08 : x - Step 2: Convert to fraction form
257,389.32/386,132.54 = 97,513.08/x - Step 3: Cross multiply
257,389.32x = 386,132.54 × 97,513.08 - Step 4: Simplify right side
257,389.32x = 37,652,973,263.62 - Step 5: Solve for x
x = 37,652,973,263.62/257,389.32 - Step 6: Final answer
x = 146,288.02
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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.