Finding the Fourth Proportional to 97,305.80, 145,958.70 and 93,417.80
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Solution
The fourth proportional to 97,305.80, 145,958.70 and 93,417.80 is: 140,126.70
Step by Step Solution
- Step 1: Write the proportion equation
97,305.80 : 145,958.70 = 93,417.80 : x - Step 2: Convert to fraction form
97,305.80/145,958.70 = 93,417.80/x - Step 3: Cross multiply
97,305.80x = 145,958.70 × 93,417.80 - Step 4: Simplify right side
97,305.80x = 13,635,140,644.86 - Step 5: Solve for x
x = 13,635,140,644.86/97,305.80 - Step 6: Final answer
x = 140,126.70
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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.