Finding the Fourth Proportional to 473,223.84, 652,805.86 and 312,020.08
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Solution
The fourth proportional to 473,223.84, 652,805.86 and 312,020.08 is: 430,427.46
Step by Step Solution
- Step 1: Write the proportion equation
473,223.84 : 652,805.86 = 312,020.08 : x - Step 2: Convert to fraction form
473,223.84/652,805.86 = 312,020.08/x - Step 3: Cross multiply
473,223.84x = 652,805.86 × 312,020.08 - Step 4: Simplify right side
473,223.84x = 203,688,536,661.67 - Step 5: Solve for x
x = 203,688,536,661.67/473,223.84 - Step 6: Final answer
x = 430,427.46
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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.