Finding the Fourth Proportional to 877,536.75, 1,316,305.14 and 212,688.75
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Solution
The fourth proportional to 877,536.75, 1,316,305.14 and 212,688.75 is: 319,033.13
Step by Step Solution
- Step 1: Write the proportion equation
877,536.75 : 1,316,305.14 = 212,688.75 : x - Step 2: Convert to fraction form
877,536.75/1,316,305.14 = 212,688.75/x - Step 3: Cross multiply
877,536.75x = 1,316,305.14 × 212,688.75 - Step 4: Simplify right side
877,536.75x = 279,963,294,845.18 - Step 5: Solve for x
x = 279,963,294,845.18/877,536.75 - Step 6: Final answer
x = 319,033.13
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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.