Finding the Fourth Proportional to 370,689.94, 551,266.16 and 358,880.14
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Solution
The fourth proportional to 370,689.94, 551,266.16 and 358,880.14 is: 533,703.39
Step by Step Solution
- Step 1: Write the proportion equation
370,689.94 : 551,266.16 = 358,880.14 : x - Step 2: Convert to fraction form
370,689.94/551,266.16 = 358,880.14/x - Step 3: Cross multiply
370,689.94x = 551,266.16 × 358,880.14 - Step 4: Simplify right side
370,689.94x = 197,838,476,678.06 - Step 5: Solve for x
x = 197,838,476,678.06/370,689.94 - Step 6: Final answer
x = 533,703.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.