Finding the Fourth Proportional to 380,206.94, 524,802.50 and 219,169.63
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Solution
The fourth proportional to 380,206.94, 524,802.50 and 219,169.63 is: 302,521.49
Step by Step Solution
- Step 1: Write the proportion equation
380,206.94 : 524,802.50 = 219,169.63 : x - Step 2: Convert to fraction form
380,206.94/524,802.50 = 219,169.63/x - Step 3: Cross multiply
380,206.94x = 524,802.50 × 219,169.63 - Step 4: Simplify right side
380,206.94x = 115,020,769,748.08 - Step 5: Solve for x
x = 115,020,769,748.08/380,206.94 - Step 6: Final answer
x = 302,521.49
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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.