Finding the Fourth Proportional to 284,038.99, 425,985.40 and 84,312.07
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Solution
The fourth proportional to 284,038.99, 425,985.40 and 84,312.07 is: 126,446.41
Step by Step Solution
- Step 1: Write the proportion equation
284,038.99 : 425,985.40 = 84,312.07 : x - Step 2: Convert to fraction form
284,038.99/425,985.40 = 84,312.07/x - Step 3: Cross multiply
284,038.99x = 425,985.40 × 84,312.07 - Step 4: Simplify right side
284,038.99x = 35,915,710,863.78 - Step 5: Solve for x
x = 35,915,710,863.78/284,038.99 - Step 6: Final answer
x = 126,446.41
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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.