Finding the Fourth Proportional to 249,281.84, 344,008.92 and 136,104.68
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Solution
The fourth proportional to 249,281.84, 344,008.92 and 136,104.68 is: 187,824.45
Step by Step Solution
- Step 1: Write the proportion equation
249,281.84 : 344,008.92 = 136,104.68 : x - Step 2: Convert to fraction form
249,281.84/344,008.92 = 136,104.68/x - Step 3: Cross multiply
249,281.84x = 344,008.92 × 136,104.68 - Step 4: Simplify right side
249,281.84x = 46,821,223,973.75 - Step 5: Solve for x
x = 46,821,223,973.75/249,281.84 - Step 6: Final answer
x = 187,824.45
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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.