Finding the Fourth Proportional to 97,301.16, 134,276.40 and 57,016.08
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Solution
The fourth proportional to 97,301.16, 134,276.40 and 57,016.08 is: 78,682.66
Step by Step Solution
- Step 1: Write the proportion equation
97,301.16 : 134,276.40 = 57,016.08 : x - Step 2: Convert to fraction form
97,301.16/134,276.40 = 57,016.08/x - Step 3: Cross multiply
97,301.16x = 134,276.40 × 57,016.08 - Step 4: Simplify right side
97,301.16x = 7,655,913,964.51 - Step 5: Solve for x
x = 7,655,913,964.51/97,301.16 - Step 6: Final answer
x = 78,682.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.