Finding the Fourth Proportional to 249,283.84, 344,011.68 and 136,106.68
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Solution
The fourth proportional to 249,283.84, 344,011.68 and 136,106.68 is: 187,827.21
Step by Step Solution
- Step 1: Write the proportion equation
249,283.84 : 344,011.68 = 136,106.68 : x - Step 2: Convert to fraction form
249,283.84/344,011.68 = 136,106.68/x - Step 3: Cross multiply
249,283.84x = 344,011.68 × 136,106.68 - Step 4: Simplify right side
249,283.84x = 46,822,287,646.02 - Step 5: Solve for x
x = 46,822,287,646.02/249,283.84 - Step 6: Final answer
x = 187,827.21
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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.