Finding the Fourth Proportional to 402,649.48, 555,602.44 and 249,631.91
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Solution
The fourth proportional to 402,649.48, 555,602.44 and 249,631.91 is: 344,458.65
Step by Step Solution
- Step 1: Write the proportion equation
402,649.48 : 555,602.44 = 249,631.91 : x - Step 2: Convert to fraction form
402,649.48/555,602.44 = 249,631.91/x - Step 3: Cross multiply
402,649.48x = 555,602.44 × 249,631.91 - Step 4: Simplify right side
402,649.48x = 138,696,094,271.69 - Step 5: Solve for x
x = 138,696,094,271.69/402,649.48 - Step 6: Final answer
x = 344,458.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.