Finding the Fourth Proportional to 249,802.74, 344,706.98 and 140,901.08
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Solution
The fourth proportional to 249,802.74, 344,706.98 and 140,901.08 is: 194,431.76
Step by Step Solution
- Step 1: Write the proportion equation
249,802.74 : 344,706.98 = 140,901.08 : x - Step 2: Convert to fraction form
249,802.74/344,706.98 = 140,901.08/x - Step 3: Cross multiply
249,802.74x = 344,706.98 × 140,901.08 - Step 4: Simplify right side
249,802.74x = 48,569,585,765.54 - Step 5: Solve for x
x = 48,569,585,765.54/249,802.74 - Step 6: Final answer
x = 194,431.76
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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.