Finding the Fourth Proportional to 479,706.26, 719,433.93 and 142,656.08
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Solution
The fourth proportional to 479,706.26, 719,433.93 and 142,656.08 is: 213,946.81
Step by Step Solution
- Step 1: Write the proportion equation
479,706.26 : 719,433.93 = 142,656.08 : x - Step 2: Convert to fraction form
479,706.26/719,433.93 = 142,656.08/x - Step 3: Cross multiply
479,706.26x = 719,433.93 × 142,656.08 - Step 4: Simplify right side
479,706.26x = 102,631,624,272.79 - Step 5: Solve for x
x = 102,631,624,272.79/479,706.26 - Step 6: Final answer
x = 213,946.81
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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.