Finding the Fourth Proportional to 184,862.99, 255,110.92 and 99,980.06
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Solution
The fourth proportional to 184,862.99, 255,110.92 and 99,980.06 is: 137,972.47
Step by Step Solution
- Step 1: Write the proportion equation
184,862.99 : 255,110.92 = 99,980.06 : x - Step 2: Convert to fraction form
184,862.99/255,110.92 = 99,980.06/x - Step 3: Cross multiply
184,862.99x = 255,110.92 × 99,980.06 - Step 4: Simplify right side
184,862.99x = 25,506,003,812.70 - Step 5: Solve for x
x = 25,506,003,812.70/184,862.99 - Step 6: Final answer
x = 137,972.47
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1.5x scale
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.