Finding the Fourth Proportional to 602,902.58, 831,974.99 and 357,897.81
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Solution
The fourth proportional to 602,902.58, 831,974.99 and 357,897.81 is: 493,880.83
Step by Step Solution
- Step 1: Write the proportion equation
602,902.58 : 831,974.99 = 357,897.81 : x - Step 2: Convert to fraction form
602,902.58/831,974.99 = 357,897.81/x - Step 3: Cross multiply
602,902.58x = 831,974.99 × 357,897.81 - Step 4: Simplify right side
602,902.58x = 297,762,025,106.28 - Step 5: Solve for x
x = 297,762,025,106.28/602,902.58 - Step 6: Final answer
x = 493,880.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.