Finding the Fourth Proportional to 249,526.80, 374,397.42 and 81,098.76
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Solution
The fourth proportional to 249,526.80, 374,397.42 and 81,098.76 is: 121,682.99
Step by Step Solution
- Step 1: Write the proportion equation
249,526.80 : 374,397.42 = 81,098.76 : x - Step 2: Convert to fraction form
249,526.80/374,397.42 = 81,098.76/x - Step 3: Cross multiply
249,526.80x = 374,397.42 × 81,098.76 - Step 4: Simplify right side
249,526.80x = 30,363,166,509.20 - Step 5: Solve for x
x = 30,363,166,509.20/249,526.80 - Step 6: Final answer
x = 121,682.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.