Finding the Fourth Proportional to 249,495.41, 344,306.99 and 142,065.88
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Solution
The fourth proportional to 249,495.41, 344,306.99 and 142,065.88 is: 196,052.80
Step by Step Solution
- Step 1: Write the proportion equation
249,495.41 : 344,306.99 = 142,065.88 : x - Step 2: Convert to fraction form
249,495.41/344,306.99 = 142,065.88/x - Step 3: Cross multiply
249,495.41x = 344,306.99 × 142,065.88 - Step 4: Simplify right side
249,495.41x = 48,914,275,018.90 - Step 5: Solve for x
x = 48,914,275,018.90/249,495.41 - Step 6: Final answer
x = 196,052.80
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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.