Finding the Fourth Proportional to 249,683.04, 344,564.28 and 136,507.68
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Solution
The fourth proportional to 249,683.04, 344,564.28 and 136,507.68 is: 188,381.52
Step by Step Solution
- Step 1: Write the proportion equation
249,683.04 : 344,564.28 = 136,507.68 : x - Step 2: Convert to fraction form
249,683.04/344,564.28 = 136,507.68/x - Step 3: Cross multiply
249,683.04x = 344,564.28 × 136,507.68 - Step 4: Simplify right side
249,683.04x = 47,035,670,473.67 - Step 5: Solve for x
x = 47,035,670,473.67/249,683.04 - Step 6: Final answer
x = 188,381.52
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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.