Finding the Fourth Proportional to 210,009.99, 314,916.47 and 76,797.10
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Solution
The fourth proportional to 210,009.99, 314,916.47 and 76,797.10 is: 115,159.62
Step by Step Solution
- Step 1: Write the proportion equation
210,009.99 : 314,916.47 = 76,797.10 : x - Step 2: Convert to fraction form
210,009.99/314,916.47 = 76,797.10/x - Step 3: Cross multiply
210,009.99x = 314,916.47 × 76,797.10 - Step 4: Simplify right side
210,009.99x = 24,184,671,638.24 - Step 5: Solve for x
x = 24,184,671,638.24/210,009.99 - Step 6: Final answer
x = 115,159.62
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1.5x scale
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.