Finding the Fourth Proportional to 97,312.80, 145,855.80 and 44,727.60
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Solution
The fourth proportional to 97,312.80, 145,855.80 and 44,727.60 is: 67,039.28
Step by Step Solution
- Step 1: Write the proportion equation
97,312.80 : 145,855.80 = 44,727.60 : x - Step 2: Convert to fraction form
97,312.80/145,855.80 = 44,727.60/x - Step 3: Cross multiply
97,312.80x = 145,855.80 × 44,727.60 - Step 4: Simplify right side
97,312.80x = 6,523,779,880.08 - Step 5: Solve for x
x = 6,523,779,880.08/97,312.80 - Step 6: Final answer
x = 67,039.28
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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.