Finding the Fourth Proportional to 135,439.24, 203,210.72 and 65,312.68
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Solution
The fourth proportional to 135,439.24, 203,210.72 and 65,312.68 is: 97,994.03
Step by Step Solution
- Step 1: Write the proportion equation
135,439.24 : 203,210.72 = 65,312.68 : x - Step 2: Convert to fraction form
135,439.24/203,210.72 = 65,312.68/x - Step 3: Cross multiply
135,439.24x = 203,210.72 × 65,312.68 - Step 4: Simplify right side
135,439.24x = 13,272,236,727.93 - Step 5: Solve for x
x = 13,272,236,727.93/135,439.24 - Step 6: Final answer
x = 97,994.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.