Finding the Fourth Proportional to 551,157.03, 760,537.98 and 309,465.99
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Solution
The fourth proportional to 551,157.03, 760,537.98 and 309,465.99 is: 427,030.10
Step by Step Solution
- Step 1: Write the proportion equation
551,157.03 : 760,537.98 = 309,465.99 : x - Step 2: Convert to fraction form
551,157.03/760,537.98 = 309,465.99/x - Step 3: Cross multiply
551,157.03x = 760,537.98 × 309,465.99 - Step 4: Simplify right side
551,157.03x = 235,360,638,913.30 - Step 5: Solve for x
x = 235,360,638,913.30/551,157.03 - Step 6: Final answer
x = 427,030.10
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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.