Finding the Fourth Proportional to 249,985.60, 344,975.52 and 136,806.08
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Solution
The fourth proportional to 249,985.60, 344,975.52 and 136,806.08 is: 188,789.87
Step by Step Solution
- Step 1: Write the proportion equation
249,985.60 : 344,975.52 = 136,806.08 : x - Step 2: Convert to fraction form
249,985.60/344,975.52 = 136,806.08/x - Step 3: Cross multiply
249,985.60x = 344,975.52 × 136,806.08 - Step 4: Simplify right side
249,985.60x = 47,194,748,587.16 - Step 5: Solve for x
x = 47,194,748,587.16/249,985.60 - Step 6: Final answer
x = 188,789.87
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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.