Finding the Fourth Proportional to 400,038.19, 551,792.58 and 256,570.99
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Solution
The fourth proportional to 400,038.19, 551,792.58 and 256,570.99 is: 353,901.13
Step by Step Solution
- Step 1: Write the proportion equation
400,038.19 : 551,792.58 = 256,570.99 : x - Step 2: Convert to fraction form
400,038.19/551,792.58 = 256,570.99/x - Step 3: Cross multiply
400,038.19x = 551,792.58 × 256,570.99 - Step 4: Simplify right side
400,038.19x = 141,573,968,525.25 - Step 5: Solve for x
x = 141,573,968,525.25/400,038.19 - Step 6: Final answer
x = 353,901.13
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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.