Finding the Fourth Proportional to 270,298.12, 373,039.14 and 155,581.06
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Solution
The fourth proportional to 270,298.12, 373,039.14 and 155,581.06 is: 214,717.82
Step by Step Solution
- Step 1: Write the proportion equation
270,298.12 : 373,039.14 = 155,581.06 : x - Step 2: Convert to fraction form
270,298.12/373,039.14 = 155,581.06/x - Step 3: Cross multiply
270,298.12x = 373,039.14 × 155,581.06 - Step 4: Simplify right side
270,298.12x = 58,037,824,044.78 - Step 5: Solve for x
x = 58,037,824,044.78/270,298.12 - Step 6: Final answer
x = 214,717.82
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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.