Finding the Fourth Proportional to 695,386.42, 1,042,915.97 and 189,827.21
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Solution
The fourth proportional to 695,386.42, 1,042,915.97 and 189,827.21 is: 284,696.14
Step by Step Solution
- Step 1: Write the proportion equation
695,386.42 : 1,042,915.97 = 189,827.21 : x - Step 2: Convert to fraction form
695,386.42/1,042,915.97 = 189,827.21/x - Step 3: Cross multiply
695,386.42x = 1,042,915.97 × 189,827.21 - Step 4: Simplify right side
695,386.42x = 197,973,831,931.40 - Step 5: Solve for x
x = 197,973,831,931.40/695,386.42 - Step 6: Final answer
x = 284,696.14
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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.