Finding the Fourth Proportional to 249,648.04, 344,430.18 and 142,142.02
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Solution
The fourth proportional to 249,648.04, 344,430.18 and 142,142.02 is: 196,108.09
Step by Step Solution
- Step 1: Write the proportion equation
249,648.04 : 344,430.18 = 142,142.02 : x - Step 2: Convert to fraction form
249,648.04/344,430.18 = 142,142.02/x - Step 3: Cross multiply
249,648.04x = 344,430.18 × 142,142.02 - Step 4: Simplify right side
249,648.04x = 48,958,001,534.16 - Step 5: Solve for x
x = 48,958,001,534.16/249,648.04 - Step 6: Final answer
x = 196,108.09
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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.