Finding the Fourth Proportional to 97,351.47, 145,971.32 and 38,117.79
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Solution
The fourth proportional to 97,351.47, 145,971.32 and 38,117.79 is: 57,154.80
Step by Step Solution
- Step 1: Write the proportion equation
97,351.47 : 145,971.32 = 38,117.79 : x - Step 2: Convert to fraction form
97,351.47/145,971.32 = 38,117.79/x - Step 3: Cross multiply
97,351.47x = 145,971.32 × 38,117.79 - Step 4: Simplify right side
97,351.47x = 5,564,103,931.19 - Step 5: Solve for x
x = 5,564,103,931.19/97,351.47 - Step 6: Final answer
x = 57,154.80
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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.