Finding the Fourth Proportional to 453,641.58, 626,020.45 and 249,688.14
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Solution
The fourth proportional to 453,641.58, 626,020.45 and 249,688.14 is: 344,566.92
Step by Step Solution
- Step 1: Write the proportion equation
453,641.58 : 626,020.45 = 249,688.14 : x - Step 2: Convert to fraction form
453,641.58/626,020.45 = 249,688.14/x - Step 3: Cross multiply
453,641.58x = 626,020.45 × 249,688.14 - Step 4: Simplify right side
453,641.58x = 156,309,881,762.46 - Step 5: Solve for x
x = 156,309,881,762.46/453,641.58 - Step 6: Final answer
x = 344,566.92
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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.