Finding the Fourth Proportional to 468,463.47, 646,479.80 and 253,603.53
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Solution
The fourth proportional to 468,463.47, 646,479.80 and 253,603.53 is: 349,972.99
Step by Step Solution
- Step 1: Write the proportion equation
468,463.47 : 646,479.80 = 253,603.53 : x - Step 2: Convert to fraction form
468,463.47/646,479.80 = 253,603.53/x - Step 3: Cross multiply
468,463.47x = 646,479.80 × 253,603.53 - Step 4: Simplify right side
468,463.47x = 163,949,559,353.69 - Step 5: Solve for x
x = 163,949,559,353.69/468,463.47 - Step 6: Final answer
x = 349,972.99
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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.