Finding the Fourth Proportional to 249,997.14, 344,637.45 and 178,252.74
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Solution
The fourth proportional to 249,997.14, 344,637.45 and 178,252.74 is: 245,733.09
Step by Step Solution
- Step 1: Write the proportion equation
249,997.14 : 344,637.45 = 178,252.74 : x - Step 2: Convert to fraction form
249,997.14/344,637.45 = 178,252.74/x - Step 3: Cross multiply
249,997.14x = 344,637.45 × 178,252.74 - Step 4: Simplify right side
249,997.14x = 61,432,569,769.11 - Step 5: Solve for x
x = 61,432,569,769.11/249,997.14 - Step 6: Final answer
x = 245,733.09
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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.